Note:
For CRA account errors like “Account Locked” or “EFILE Number/Password Invalid,” please contact the CRA Helpdesk directly for assistance.
Common Error Codes and Solutions
1. Error 131 – Account Locked
Cause: CRA account locked
Solution: Contact the CRA Helpdesk to unlock your account. If CRA suggests it’s a software issue, persist until the issue is resolved
2. Error 370 – CPP/QPP Contributions Mismatch
Cause: Missing T4 slips related to CPP/QPP contributions
Solution: Verify all T4 slips and ensure contributions match CRA records
3. Error 2197 – Exceeding RRSP Deduction Limits
Cause: RRSP claims exceed the allowable contribution room
Solution: Confirm unused RRSP amounts with your NOA or CRA My Account and contact CRA if adjustments are needed
4. Error 2252 – HBP Repayment Below Minimum
Cause: Home Buyers’ Plan (HBP) repayment does not meet the required minimum
Solution: Verify repayment amounts on CRA records and adjust line 12900 if necessary
5. Error 70127 – Missing T2017 for Capital Gains Deductions
Cause: Capital gains deductions from prior years affecting current filings
Solution: Complete and include a T2017 form based on previous years’ filings
6. Error 70412 – Exceeding Investment Tax Credit Allowance
Cause: Credits exceed carryforward limits on Form T2038
Solution: Verify and adjust amounts in Part F of Form T2038
7. Error 70450 – Missing T4 Slips for CPP Contributions
Cause: CPP contributions claimed without corresponding income
Solution: Include all T4 slips and confirm accuracy with CRA records
8. Error 90113 – Old Age Security (OAS) Pension Issue
Cause: Missing or incorrect OAS entries for those over 65
Solution: Include T4A(OAS) slips if applicable or correct entries on line 11300 and 9917
9. Error 92124 – Ineligible CPP Overpayment Claim
Cause: Filing is more than four years late
Solution: Adjust CPP claims to reduce line 44800 to zero. (Usually found in T4 box 16)
10. Error 99917 – Incorrect OAS Pension Information
Cause: Missing or incorrect T4A(OAS) slips
Solution: Verify and include all relevant slips
11. Auto-Fill ERR.029 – Session Timeout
Cause: CRA session timed out during Auto-Fill
Solution: Log into CRA in your default browser and retry the Auto-Fill process
12. ReFILE Error 503 – No Change Detected
Cause: ReFILE submission does not include meaningful changes
Solution: Submit a paper adjustment if no changes are processed electronically
13. Auto-Fill ERR.021 – Forbidden Error
Cause: Authorization issues or account misconfiguration
Solution: Contact CRA Helpdesk to verify account settings
14. Error 43 – Name and SIN Mismatch
Cause: Taxpayer name or SIN does not match CRA records
Solution: Confirm details with CRA and indicate name changes, if applicable
15. Error 521 – Incorrect EFILE Credentials
Cause: Outdated or incorrect EFILE number or password
Solution: Update credentials for the current tax year and retry submission
16. Authentication Errors (T830, T857, T859)
Cause: Incorrect credentials or missing authorization
Solution: Verify details or have the client authorize access through CRA
17. Business Consent Error – Invalid EFILE ID/Password
Cause: EFILE account not certified for the current year
Solution: Complete certification for the year before retrying
Why This Matters
Understanding and resolving these common error codes helps ensure a smooth filing process, minimizes delays, and avoids penalties.
Tip: CloudTax simplifies tax filing by helping you identify and resolve errors quickly. For further assistance, contact the CRA Helpdesk.