If your ROMs are supposed to be current, they may be badly dumped.
Have you encountered a strange industrial automation error? Drop it in the comments below and let's decode it together. 78081g503.ic655 not found
For mission-critical systems where standard solutions fail: If your ROMs are supposed to be current,
: Visit the MAME Undumped List to see if the file has been officially dumped or if it remains a known missing piece of arcade history. 78081g503.ic655 not found
Here are the steps to troubleshoot and resolve this issue: