Warning: RainLoop\Actions::RainLoop\{closure}(): Argument #1 ($sUid) must be passed by reference

[informatico-madrid]

RainLoop version, browser, OS:
Rainloop .15, any browser, In ubuntu 18

Expected behavior and actual behavior:
No warning

Steps to reproduce the problem:
Load main page

Logs or screenshots:
[error] 18012#18012: *318 FastCGI sent in stderr: "PHP message: PHP Warning: RainLoop\Actions::RainLoop{closure}(): Argument #1 ($sUid) must be passed by reference, value given in /.../rainloop/v/1.15.0/app/libraries/RainLoop/Actions.php on line 5725 -> https://github.com/RainLoop/rainloop-webmail/blob/v1.15.0/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php#L5725

Anyone has this warning ?
Is like we must quit "&" in array_filter ?

[RainLoop]

Fixed https://github.com/RainLoop/rainloop-webmail/releases/tag/v1.16.0