00E50075

Explanation
 On an execution unit switch request, an invalid
service queue header (SQH) and/or service task identifier (STID) was
specified. Alternately, the specified or implicit address space may
be invalid. This is an internal Db2 protocol
error.

System action
 The requester is abended.

Operator response
 Notify the system programmer.

System programmer response
 If you suspect an error in Db2, you might need to report the problem. For information about identifying and reporting the
problem, see Collecting diagnostic data.

Problem determination
 Using the SYS1.LOGREC entry and the associated
SVC dump, determine the resource manager module that requested the
execution unit switch.
 Collect the following diagnostic items:
Console output from the system on which the job was run, and a listing of the
SYSLOG data set for the period of time that spans the failure. 

Dynamic dump, taken to SYS1.DUMPxx data set, by Db2 (04E
and 04F abends).

A listing of the SYS1.LOGREC data set, obtained by executing IFCEREP1.