This run ID has already been used for this run date; reselect

What causes this issue?

If data is retrieved by one report and processed by another, the
date at which the second report is to run and an additional run ID
are to be specified. These specifications are used as keys for
storing and finding data in the database. Data has already been
stored in the database under the values chosen by you.

How to fix this error?

Choose another run ID and/or another running date.

Error message extract from SAP system. Copyright SAP SE.