How To Fix VO026 - Problem in number assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: VO - W&S: Rough workload forecast + picking wave

• Message number: 026

• Message text: Problem in number assignment

What causes this issue?

Here you are dealing with the number range object &V1&, the number range
interval &V2&, and the cause of the error &V3&.
The error causes have the following meanings:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

1 = Number range interval for object not defined
2 = Number range not internal
3 = Number range object not defined
6 = Number range interval used up, re-use not possible
7 = Non-foreseen error
8 = Non-foreseen error

System Response

The picking wave cannot be created.

How to fix this error?

In cases 1 through 6, the respective Customizing entries should be
corrected. Inform the person responsible for Customizing settings or
your system administrator.
In cases 7 - 8, this is probably an error in an ABAP/4 program. Contact
your system administrator.

Error message extract from SAP system. Copyright SAP SE.