Error when processing Transact Move Orders

We are getting the following error when processing the Transact Move Orders :

FRM-40735: ON-LOCK trigger raised unhandled exception ORA-01830

Steps to reproduce the issue:

Navigate to Inventory responsibility

-Move Orders >Transact Move Orders

-Select Move Order Number

-Click on Find.

We get the error message.

-Click ok to continue

-Select the check box

-Click on allocate.

We again get same message

Then we are stuck and cannot continue further.

Please advise.