Guide For Quickbooks Error Codes.
"Quickbooks Error codes": (-6129, 0): this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.
If you always get these errors and you want to solve it you can visit the provided link. https://www.quickbook-support.com/quickbooks-error-code-list/