option "Use a java method" does not appear in select operator
I downloaded Bonita Studio version 2021.1 and download "procurement example" : https://community.bonitasoft.com/project/procurement-example1
I tested this example and it's OK.
But suddenly all operation in "complete quotation" show error message.
For example these errore appeare for setStatus:
The operator "setStatus" is not compatible with the "quotation" left operand.
Expression type MULTIINSTANCE_ITERATOR_TYPE is not compatible with operator "setStatus" in complete quotation.
After that, in "operation -> select operator" doesn't show : use a java method. It only has "takes value of".
Do you know what's the problem?
I only change text note and name of tasks.