3172130 - Why is a Budget Check Error displayed when a user is approving a Requisition?

Requisition has failed the budget check in one or more lines and it's showing the following warning message when it's being approved:

Requisition has failed the budget check in one or more lines:
A budget was not found in the accounting period. The following lines and splits have failed:
Line #1 [88,000 JPY]
 

SAP Ariba Purchasing and Receiving

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