I understand how frustrating and time-consuming it must be for you to deal with the 1099 invitation and the contractor's inability to access their user portal., @mtaekla. 

Please know that I'm here to help you resolve this issue and reconnect the contractor with their submitted payroll information. To handle this efficiently, I suggest contacting our dedicated support team. They have the expertise to assist you and ensure that the contractor can access their account without any further delay.
 

I'll also share this link where you can browse for articles that can assist you in completing your QuickBooks tasks quickly: QuickBooks Online Help Articles.
 

We are fully committed to expediting the resolution of this matter for you. If you have any further inquiries about QuickBooks, please leave a reply below.  I'll be available to assist you at any time.