Characteristic registration not working

What causes this issue?

Characteristic registration for the data basis is inconsistent.

System Response

Deletion <ZH>cannot</> be continued.

How to fix this error?

Correct the characteristic registration using the maintenance
transactions for characteristic registration in the data basis.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.