Error when reading cluster table &

What causes this issue?

Report RKACHCKI activates a function module that records data on
postings you made in accounting. For this purpose, the report provides
the function module with control record RKACHCKV that contains
specifications on the user and the time of activation. A severe error
occurred when this control record was read on the cluster database
table INDX(QM).

System Response

Report RKACHCKI was terminated, the function module has not been
activated.

How to fix this error?

Contact your system administrator for further processing of this
problem.

Error message extract from SAP system. Copyright SAP SE.