Request SIDxxx has the invalid attribute EXPTIMESTAMP

Symptom

You tried to release a transport request from the SAP system but encountered below error,

Request XXXXX has the invalid attribute EXPTIMESTAMP
Message no. TO088

Diagnosis
The request XXXXX has the invalid attribute EXPTIMESTAMP.

Procedure
Remove the attribute from the request. To do this, proceed as follows:

1. Go to the request overview of the Transport Organizer.
2. Position the cursor on the request.
3. Choose Request/Task -> Display/Change.
The dialog box Display request appears.
4. Choose Attributes.
The attributes display appears.
5. Delete the attribute EXPTIMESTAMP.

Solution

Based on above procedure.

Remove the line of EXPTIMESTAMP and save the changes. You can try to release the transport request again.