CannotEndInPast

The end block passed to create or update_end is not after the current block. Compare the end argument against the current block number; it must be strictly greater.

Declared by the Crowdloan pallet; it classifies to the semantic code invalid_argument.

Remediation

Check the argument values against the operation schema

The same explanation is available in the terminal: btcli explain CannotEndInPast.