How to fix SAP error UPWB174?

What causes this issue? The preview is opened and a BSP application is running in its own process in the preview. The BSP application automatically sets locks here. This can result in a lock problem.System Response The system issues an error message and will not allow you to continue with this transaction until the error is resolved. How to fix this error? First exit the preview before the next action.Procedure for System Administrators Error message extract from SAP system. Copyright SAP SE.

How To Fix UPWB174 - First close the BSP application preview

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SAP Error Message - Details

Message type: E = Error
Message class: UPWB - Messages for Development Class UPWB
Message number: 174
Message text: First close the BSP application preview
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What causes this issue?
The preview is opened and a BSP application is running in its own
process in the preview. The BSP application automatically sets locks
here. This can result in a lock problem.
System Response
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
How to fix this error?
First exit the preview before the next action.
Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

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What is the cause and solution for SAP error message UPWB174 - First close the BSP application preview ?

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