# RSStoEmail Critical Issue

**URL:** <https://forum.mautic.org/t/rsstoemail-critical-issue/25939>\
**Category:** Product Support\
**Created:** [November 3, 2022, 6:17pm UTC](https://forum.mautic.org/t/rsstoemail-critical-issue/25939 "2022-11-03T18:17:44Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![mikew](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/mikew/32/5156_2.png) [@mikew](https://forum.mautic.org/u/mikew)\
**Post date:** [November 3, 2022, 6:17pm UTC](https://forum.mautic.org/t/rsstoemail-critical-issue/25939/1 "2022-11-03T18:17:44Z")

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**Your software**  
My Mautic version is: 4.4.4  
My PHP version is: 8.0

No idea but rss feeder is not working in preview and giving me critical error:

`[2022-11-03 16:53:08] mautic.CRITICAL: Uncaught PHP Exception Symfony\Component\Debug\Exception\FatalThrowableError: "implode(): Argument #2 ($array) must be of type ?array, string given" at /var/www/mautic/plugins/MauticRssToEmailBundle/vendor/simplepie/simplepie/library/SimplePie/Parse/Date.php line 544 {"exception":"[object] (Symfony\\Component\\Debug\\Exception\\FatalThrowableError(code: 0): implode(): Argument #2 ($array) must be of type ?array, string given at /var/www/mautic/plugins/MauticRssToEmailBundle/vendor/simplepie/simplepie/library/SimplePie/Parse/Date.php:544)"} {"hostname":"mymautic.com","pid":807300}`

same email code working in other instances

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**Author:** ![techbill](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/techbill/32/8325_2.png) [@techbill](https://forum.mautic.org/u/techbill)\
**Post date:** [November 3, 2022, 6:22pm UTC](https://forum.mautic.org/t/rsstoemail-critical-issue/25939/2 "2022-11-03T18:22:38Z")

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Try changing your php to 7.4

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**Author:** ![mikew](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/mikew/32/5156_2.png) [@mikew](https://forum.mautic.org/u/mikew)\
**Post date:** [November 3, 2022, 6:40pm UTC](https://forum.mautic.org/t/rsstoemail-critical-issue/25939/3 "2022-11-03T18:40:46Z")

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I was just about to write that this is the answer. That is what I did and it worked.

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**Author:** ![system](https://us1.discourse-cdn.com/flex020/uploads/mautic/original/1X/43c63600fe51440378769136903f1fa2a9a34102.png) [@system](https://forum.mautic.org/u/system)\
**Post date:** [November 5, 2022, 6:40am UTC](https://forum.mautic.org/t/rsstoemail-critical-issue/25939/4 "2022-11-05T06:40:54Z")

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Closed on November 5, 2022, 6:40am UTC

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