Error after fresh install in J4

the_maxem

Error after fresh install:
I activate the Module on only one Page in a module at "sidebar" container.
If i opne the Page i have this error:
Deprecated: json_decode(): Passing null to parameter #1 ($json) of type string is deprecated in /modules/mod_acym/tmpl/tableless.php on line 28

mihha

This is something we can't solve on the forum. Please raise a support ticket (https://www.acymailing.com/support/) so we can further assist you.

the_maxem

after changing some settings and saving the module 2 times, the error disapeared.