INSERT VariableInstanceEntity[---] with message, Column 'NAME_' cannot be null

Camunda 7 Topics Discussion & Questions
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Folks,
I am getting this exceptions at the response of message for corelate message, any idea why this would be. I have check all message which I am sending and nothing is set to null.

Caused by: org.camunda.bpm.engine.ProcessEngineException: ENGINE-03004 Exception while executing Database Operation 'INSERT VariableInstanceEntity[b3275224-ced0-11eb-bf69-122af0c59cf5]' with message '

Error flushing statements. Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceEntity.insertVariableInstance (batch index #2) failed. 1 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Column ‘NAME_’ cannot be null

Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceEntity.insertVariableInstance (batch index #2) failed. 1 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Column ‘NAME_’ cannot be null

java.sql.BatchUpdateException: Column ‘NAME_’ cannot be null
java.sql.SQLIntegrityConstraintViolationException: Column ‘NAME_’ cannot be null
'. Flush summary:
[
INSERT ExecutionEntity[b3449e2a-ced0-11eb-bf69-122af0c59cf5]
INSERT VariableInstanceEntity[b326199d-ced0-11eb-bf69-122af0c59cf5]
INSERT VariableInstanceEntity[b326199e-ced0-11eb-bf69-122af0c59cf5]
INSERT VariableInstanceEntity[b326199f-ced0-11eb-bf69-122af0c59cf5]
INSERT VariableInstanceEntity[b3275224-ced0-11eb-bf69-122af0c59cf5]
INSERT VariableInstanceEntity[b3449e2d-ced0-11eb-bf69-122af0c59cf5]
INSERT EventSubscriptionEntity[b3449e2b-ced0-11eb-bf69-122af0c59cf5]
DELETE EventSubscriptionEntity[957febaa-ced0-11eb-bf69-122af0c59cf5]
UPDATE VariableInstanceEntity[956c3c8f-ced0-11eb-bf69-122af0c59cf5]
UPDATE VariableInstanceEntity[956e8682-ced0-11eb-bf69-122af0c59cf5]
DELETE VariableInstanceEntity[957febac-ced0-11eb-bf69-122af0c59cf5]
UPDATE ExecutionEntity[73ab0803-ced0-11eb-bf69-122af0c59cf5]
DELETE ExecutionEntity[957feba9-ced0-11eb-bf69-122af0c59cf5]
]

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