diff --git a/src/background/logging.ts b/src/background/logging.ts
index 417da2627b..51f6436c8f 100644
--- a/src/background/logging.ts
+++ b/src/background/logging.ts
@@ -19,7 +19,7 @@ import { uuidv4 } from "@/types/helpers";
 import { getRollbar } from "@/telemetry/initRollbar";
 import { MessageContext, SerializedError, UUID } from "@/core";
 import { Except, JsonObject } from "type-fest";
-import { deserializeError, serializeError } from "serialize-error";
+import { deserializeError } from "serialize-error";
 import { DBSchema, openDB } from "idb/with-async-ittr";
 import { isEmpty, once, sortBy } from "lodash";
 import { allowsTrack } from "@/telemetry/dnt";
@@ -32,6 +32,7 @@ import {
   IGNORED_ERROR_PATTERNS,
   isAxiosError,
   isContextError,
+  serializeErrorAndProperties,
 } from "@/errors";
 import { expectContext, forbidContext } from "@/utils/expectContext";
 import { isAppRequest, selectAbsoluteUrl } from "@/services/requestErrorUtils";
@@ -331,9 +332,9 @@ export async function recordError(
         context: flatContext,
         message,
         data,
-
-        // Ensure it's serialized
-        error: serializeError(maybeSerializedError),
+        // Ensure the object is fully serialized. Required because it will be stored in IDB and flow through the Redux
+        // state. Can be converted to serializeError after https://github.com/sindresorhus/serialize-error/issues/74
+        error: serializeErrorAndProperties(maybeSerializedError),
       }),
     ]);
   } catch (recordError) {
diff --git a/src/blocks/transformers/jq.test.ts b/src/blocks/transformers/jq.test.ts
new file mode 100644
index 0000000000..2b514230d8
--- /dev/null
+++ b/src/blocks/transformers/jq.test.ts
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2022 PixieBrix, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import { JQTransformer } from "@/blocks/transformers/jq";
+import { unsafeAssumeValidArg } from "@/runtime/runtimeTypes";
+import ConsoleLogger from "@/utils/ConsoleLogger";
+import { InputValidationError } from "@/blocks/errors";
+import { BusinessError } from "@/errors";
+
+describe("smoke tests", () => {
+  test("passes input to filter", async () => {
+    const promise = new JQTransformer().transform(
+      unsafeAssumeValidArg({ filter: ".foo", data: { foo: 42 } }),
+      {
+        ctxt: {},
+        root: null,
+        logger: new ConsoleLogger(),
+      }
+    );
+
+    await expect(promise).resolves.toStrictEqual(42);
+  });
+});
+
+describe("ctxt", () => {
+  test.each([[null], [""]])("pass context if data is %s", async (data) => {
+    const promise = new JQTransformer().transform(
+      unsafeAssumeValidArg({ filter: ".foo", data }),
+      {
+        ctxt: { foo: 42 },
+        root: null,
+        logger: new ConsoleLogger(),
+      }
+    );
+
+    await expect(promise).resolves.toStrictEqual(42);
+  });
+});
+
+describe("parse compile error", () => {
+  test("invalid fromdate", async () => {
+    // https://github.com/pixiebrix/pixiebrix-extension/issues/3216
+    const promise = new JQTransformer().transform(
+      unsafeAssumeValidArg({ filter: '"" | fromdate', data: {} }),
+      {
+        ctxt: {},
+        root: null,
+        logger: new ConsoleLogger(),
+      }
+    );
+
+    await expect(promise).rejects.toThrowError(InputValidationError);
+    await expect(promise).rejects.toThrowError(
+      'date "" does not match format "%Y-%m-%dT%H:%M:%SZ"'
+    );
+  });
+
+  test("missing brace", async () => {
+    // https://github.com/pixiebrix/pixiebrix-extension/issues/3216
+    const promise = new JQTransformer().transform(
+      unsafeAssumeValidArg({ filter: "{", data: {} }),
+      {
+        ctxt: {},
+        root: null,
+        logger: new ConsoleLogger(),
+      }
+    );
+
+    await expect(promise).rejects.toThrowError(InputValidationError);
+    await expect(promise).rejects.toThrowError(
+      "Unexpected end of jq filter, are you missing a parentheses, brace, and/or quote mark?"
+    );
+  });
+
+  test("null iteration", async () => {
+    // https://github.com/pixiebrix/pixiebrix-extension/issues/3216
+    const promise = new JQTransformer().transform(
+      unsafeAssumeValidArg({ filter: ".foo[]", data: {} }),
+      {
+        ctxt: {},
+        root: null,
+        logger: new ConsoleLogger(),
+      }
+    );
+
+    await expect(promise).rejects.toThrowError(BusinessError);
+    await expect(promise).rejects.toThrowError(
+      "Cannot iterate over null (null)"
+    );
+  });
+});
diff --git a/src/blocks/transformers/jq.ts b/src/blocks/transformers/jq.ts
index e720e8b745..0ee24c7fc8 100644
--- a/src/blocks/transformers/jq.ts
+++ b/src/blocks/transformers/jq.ts
@@ -20,7 +20,9 @@ import { BlockArg, BlockOptions, Schema } from "@/core";
 import { propertiesToSchema } from "@/validators/generic";
 import { isNullOrBlank } from "@/utils";
 import { InputValidationError } from "@/blocks/errors";
-import { isErrorObject } from "@/errors";
+import { BusinessError, isErrorObject } from "@/errors";
+
+const jqStacktraceRegexp = /jq: error \(at <stdin>:0\): (?<message>.*)/;
 
 export class JQTransformer extends Transformer {
   override async isPure(): Promise<boolean> {
@@ -66,13 +68,24 @@ export class JQTransformer extends Transformer {
       // eslint-disable-next-line @typescript-eslint/return-await -- Type is `any`, it throws the rule off
       return await jq.promised.json(input, filter);
     } catch (error) {
-      if (!isErrorObject(error) || !error.message.includes("compile error")) {
+      // The message length check is there because the JQ error message sometimes is cut and if it is we try to parse the stacktrace
+      // See https://github.com/pixiebrix/pixiebrix-extension/issues/3216
+      if (
+        !isErrorObject(error) ||
+        (error.message.length > 13 && !error.message.includes("compile error"))
+      ) {
+        // Unless there's bug in jq itself, if there's an error at this point, it's business error
+        if (isErrorObject(error)) {
+          throw new BusinessError(error.message, { cause: error });
+        }
+
         throw error;
       }
 
       const message = error.stack.includes("unexpected $end")
         ? "Unexpected end of jq filter, are you missing a parentheses, brace, and/or quote mark?"
-        : "Invalid jq filter, see error log for details";
+        : jqStacktraceRegexp.exec(error.stack)?.groups?.message?.trim() ??
+          "Invalid jq filter, see error log for details";
 
       throw new InputValidationError(
         message,
diff --git a/src/errors.test.ts b/src/errors.test.ts
index 50b0c06762..9ad8afcf88 100644
--- a/src/errors.test.ts
+++ b/src/errors.test.ts
@@ -27,11 +27,13 @@ import {
   MultipleElementsFoundError,
   NoElementsFoundError,
   selectError,
+  serializeErrorAndProperties,
 } from "@/errors";
 import { range } from "lodash";
 import { deserializeError, serializeError } from "serialize-error";
 import { InputValidationError, OutputValidationError } from "@/blocks/errors";
 import { matchesAnyPattern } from "@/utils";
+import { isPlainObject } from "@reduxjs/toolkit";
 
 const TEST_MESSAGE = "Test message";
 
@@ -283,11 +285,32 @@ describe("selectError", () => {
   it("wraps primitive from PromiseRejectionEvent", () => {
     const errorEvent = new PromiseRejectionEvent(
       "error",
-      createUncaughtRejection("It’s a non-error")
+      createUncaughtRejection("It's a non-error")
     );
 
     expect(selectError(errorEvent)).toMatchInlineSnapshot(
-      "[Error: It’s a non-error]"
+      "[Error: It's a non-error]"
     );
   });
 });
+
+describe("serialization", () => {
+  test("serializes error cause", () => {
+    const inputValidationError = new InputValidationError(
+      "test input validation error",
+      null,
+      null,
+      []
+    );
+    const contextError = new ContextError("text context error", {
+      cause: inputValidationError,
+    });
+
+    const serializedError = serializeErrorAndProperties(contextError);
+
+    // Use the isPlainObject from "@reduxjs/toolkit" because it's Redux that requires the object in the state to be
+    // serializable. We want it to be serializable and especially serializable for redux.
+    expect(isPlainObject(serializedError)).toBeTruthy();
+    expect(isPlainObject(serializedError.cause)).toBeTruthy();
+  });
+});
diff --git a/src/errors.ts b/src/errors.ts
index 19e798d39d..6c56804f79 100644
--- a/src/errors.ts
+++ b/src/errors.ts
@@ -16,7 +16,7 @@
  */
 
 import { MessageContext } from "@/core";
-import { deserializeError, ErrorObject } from "serialize-error";
+import { deserializeError, ErrorObject, serializeError } from "serialize-error";
 import { AxiosError, AxiosResponse } from "axios";
 import { isObject, matchesAnyPattern } from "@/utils";
 import safeJsonStringify from "json-stringify-safe";
@@ -250,6 +250,19 @@ export function isContextError(error: unknown): error is ContextError {
   );
 }
 
+// `serialize-error/serializeError` preserves custom properties, so "cause" in our errors, e.g., ContextError is skipped
+// https://github.com/sindresorhus/serialize-error/issues/74
+export function serializeErrorAndProperties(error: unknown): ErrorObject {
+  const serializedError = serializeError(error, { useToJSON: false });
+  if (typeof error === "object" && "cause" in error) {
+    serializedError.cause = serializeErrorAndProperties(
+      (error as { cause: unknown }).cause
+    );
+  }
+
+  return serializedError;
+}
+
 /**
  * Returns true iff the root cause of the error was a CancelError.
  * @param error the error object