EQA2664E The .dbg file for `compile_unit_name`, created by the FORMAT(DWARF) suboption of the DEBUG compiler option cannot be found. Use of the SET SOURCE command to indicate the location of the source file is not allowed at this time.

Explanation
A .dbg file containing the debugging tables is not available.

Programmer response
Make sure the .dbg file for the program is available. If you know the location of the .dbg file,
use the SET DEFAULT DBG command to specify the location of the file.