1. Unable to generate bid documents: This may be caused by incorrect template setting of bid documents or incomplete filling of bid information. You can check whether the bidding document template is correct and make sure that all necessary information has been filled in completely.

2. The bid documents cannot be uploaded: This may be caused by network problems, format problems of the bid documents or problems of the bidding software itself. You can try to upload the file again, confirm the format of the tender is correct, and check whether the network connection is normal.

3. The bid quotation cannot be modified: this may be caused by the setting or permission of the bidding software. You can check the settings of the bidding software to ensure that you have the right to modify the bidding quotation.