We are not able to fetch the benflow data from the API causing data fetch issues in lab technician,

The api was working fine earlier and the lab technician flow as well, 

can you check if anything is changes from the api side or village mapping side of things.

Adding the api details below

   POST 

https://amritdemo.piramalswasthya.org/hwc-facility-service/sync/benFlowStatusRecordsToApp

Request: {"villageID":[206978,227138,227533,227534,235521],"lastSyncDate":"01/11/2023 00:00:00"}

Response: {"data":null,"statusCode":500,"errorMessage":"Error fetching ben flow status records to sync . Exception org.springframework.orm.jpa.JpaObjectRetrievalFailureException: Unable to find com.iemr.hwc.data.login.MasterVan with id 4; nested exception is javax.persistence.EntityNotFoundException: Unable to find com.iemr.hwc.data.login.MasterVan with id 4","status":"Error fetching ben flow status records to sync . Exception org.springframework.orm.jpa.JpaObjectRetrievalFailureException: Unable to find com.iemr.hwc.data.login.MasterVan with id 4; nested exception is javax.persistence.EntityNotFoundException: Unable to find com.iemr.hwc.data.login.MasterVan with id 4"}