SAP Message WVLBCHECK000 - Enter a valid combination

Diagnosis
The combination for checking entered is not allowed.

Procedure
Enter an allowed combination.
Allowed combinations:
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| Customizing | Vendor | VSR | Plant| Material |
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| | | | | x |
| | | | x | |
| | | | x | x |
| | x | | | |
| | x | | | x |
| | x | | x | |
| | x | | x | x |
| | x | x | | |
| | x | x | | x |
| | x | x | x | |
| | x | x | x | x |
---------------------------------------------------
| Customizing | Vendor | VSR | Plant| Material |
---------------------------------------------------
| x | | | | |
| x | | | | x |
| x | | | x | |
| x | | | x | x |
| x | x | | | |
| x | x | | | x |
| x | x | | x | |
| x | x | | x | x |
| x | x | x | | |
| x | x | x | | x |
| x | x | x | x | |
| x | x | x | x | x |
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The VSR can only be maintained in combination with the vendor.