If you’re actually trying to import exactly “1602 · REM AMEX BLUE XXX09/XXX07” in the ACCNT field, then that’s likely why. That account name is 32 characters long, but accounts can only be 31 characters long.
The mistake is including the account number as part of the name. Instead, use only […]
Resolution for 'account number issue: 'IIF Import Issue' available: Yes.
The account number issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the account number issue yourself by looking for a resolution described in the article. If it is a complex account number issue or you are unable to solve the issue, you may contact us by clicking here or by using other account number support options.
For more information about resolving issues related to account number in Quickbooks/QBO or to get support for the issue 'IIF Import Issue', click the link below: