Invalid dimensions usually mean the object was created with an unsupported or unusable size.
Why it happens
Invalid dimensions usually mean the object was created with an unsupported or unusable size.
Suggested steps
- Re-check the object dimensions.
- Recreate the matrix or list cleanly.
- Match the object size to the intended command.
Independent note
This explanation is written for an independent TI-84 style practice environment and should be treated as educational troubleshooting guidance.