https://userapps.support.sap.com/sap/support/knowledge/en/2603783
2603783 - MIRO: Copying the text field in MIRO is generating the error F5484 "You have not yet...
In MIRO transaction, the following error raised by the system: F5 484 'You have not yet entered a text which can be copied' when the text from header line is...