See if this applies to you.

https://community.intuit.com/questions/1739865-i-am-trying-to-file-my-941-and-i-get-an-error-message…

Resolution for '941 Deposit issue: 'payroll. Quickbooks won’t let me submit payroll tax payment. 941 Deposit.' available: Yes.

The 941 Deposit 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 941 Deposit issue yourself by looking for a resolution described in the article. If it is a complex 941 Deposit issue or you are unable to solve the issue, you may contact us by clicking here or by using other 941 Deposit support options.

For more information about resolving issues related to 941 Deposit in Quickbooks/QBO or to get support for the issue 'payroll. Quickbooks won’t let me submit payroll tax payment. 941 Deposit.', click the link below: