Generation of binding terminated with error

What causes this issue?

Generation of the binding from workflow <-> task had to be terminated
by the system due to inconsistencies. These inconsistencies can have
the following reasons:

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

Task cannot be read
Task does not have a valid object implementation
Creation of the determined container elements resulted in an error

System Response

It is not possible to generate a binding automatically.

How to fix this error?

Please check the task used or the underlying object type.

Error message extract from SAP system. Copyright SAP SE.