Error :Cannot invoke method plusWeeks() on null object on stock module

[dalmed]

Error on [Stock management] -> [Stock moves] -> [Supplier arrivals] and [Supplier return] :
Cannot invoke method plusWeeks() on null object

trace :
java.lang.NullPointerException: Cannot invoke method plusWeeks() on null object
at org.codehaus.groovy.runtime.NullObject.invokeMethod(NullObject.java:91)
at org.codehaus.groovy.vmplugin.v7.IndyGuardsFiltersAndSignatures.invokeGroovyObjectInvoker(IndyGuardsFiltersAndSignatures.java:165) ...

[ale-axelor]

Hello,

This error can happen when context.date is missing: see fac81a6
Does the issue still happen after updating your application.properties to add missing properties ?