Hi All
Thanks for your reply.
I checked why it was giving a dump.
This execute_approver_update subroutine takes approval data from table ptreq_approver .
I filled this with resp actor id after request is approved and status is changed to sent.
For every emp its unique actor id is saved in ptreq_actor table agaist his pernr.
SELECT SINGLE actor_id FROM PTREQ_ACTOR INTO actor_id WHERE objid = nextApprover_pernr.
wa_appr-mandt = sy-mandt.
wa_appr-request_id = Request_ID. "Req.requestID ( from Workflow )
wa_appr-version_no = version_no. "Req.Version ( from Workflow )
wa_appr-seqnr = seqnr. "Same as version no but in char
wa_appr-approver_ins = actor_id. "Employee actor id from ptreq_actor
wa_appr-status = 'T'. "Manual
append wa_appr to it_appr.
INSERT PTREQ_APPROVER FROM TABLE it_appr .
commit work and wait.
This resolved my issue.
Thanks