Hi experts,
in a specific journal i use sequence number in the format OB-AP-####.
When i try to delete any line in this journal, it gives me error message :
Voucher Number of the line i try to delete does not match format VIL-14-###### !!!
How can i make the system ensure that voucher number match the format OB-AP-#### or not ?
What should i do to solve this error?
note (i tried to change manually the voucher number of the line i want to delete to the format VIL-14-###### and tried about 15 random number between VIL-14-000001 and VIL-14-999999 ,but every time system tells me that this number is already being used !!)
Thanks in advance for your help
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