Cannot open Chronoform5 Forms in back end under PHP 7.4

Question

I have not needed to change any V5 forms for some time but today found every form I try to open fails:

An error has occurred.

0 syntax error, unexpected 'Fn' (T_FN), expecting identifier (T_STRING)

Return to Control Panel

This is occuring on every Joomla instance I have across 2 totally different sites.

Tried reinstalling on one site but same result

All sites are running Joomla! 3.9.22 and PHP 7.4

I changed down to PHP7.3 and the forms open correctly

Can you please investigate?

Wally

Max_admin · Accepted Answer

Hi Wally,​Yes, v5 is very outdated and will not work on PHP 7.4, either keep your PHP at 7.2 or lower or apply a fix posted here on the forums:https://www.chronoengine.com/forums/posts/t107999/syntax-error-unexpected-fn-t-fn-expecting-identifier-t-string​OR install v7 which has a v5 form importer in the forms manager, just make sure that your imported form is working as it should because few features will not be imported like fields events

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Cannot open Chronoform5 Forms in back end under PHP 7.4