I have a strange problem with action and drop-down menu in vro 8.6.
I created an action "getTagsFromCategoryName" that return a String/Array with all the tags present in a selected tagCategory ( another drop-down menu populated with action ).
At each run of the workflow, I got a red banner with error : "There was a problem invoking action com.bper/getTagsFromCategoryName;" even if all the fields are correctly populated.
Can someone help me with this error ?
Thanks in advance
getTagsFromCategoryName code is: