ID:19104 "<filename>" cannot be found in the Quartus project database files. Please ensure the missing source file is listed as an SDC_ENTITY_FILE or TCL_ENTITY_FILE assignment in the Quartus Settings File (.qsf).

CAUSE: The Entity SDC or Tcl source file cannot be found in the project database.

ACTION: Ensure the missing source file is listed in the Quartus Settings File (.qsf).