Symptoms

During uploading project to the server the following error may occur:
An invalid file handle was associated with <File in paged memory>

Cause

The cause is unclear.

Resolution

There are several ways to resolve this issue:

1. Upload the project using the FCAdminTools:

   "C:\Program Files\ABBYY FlexiCapture 12 Stations\FCAdminTools.exe" UploadProject /Source="C:\Users\AHoriacha\Desktop\3332\Invoices" /Target="http://localhost" /CopyTrainingBatches=All /CopyTrainingSamples /CheckProjectExists

   or

   "C:\Program Files\ABBYY FlexiCapture 12 Stations\FCAdminTools.exe" UploadProject /Source="C:\Users\AHoriacha\Desktop\3332\Invoices" /Target="http://localhost"/CopyTrainingBatches=All /CopyTrainingSamples
   

2. Copy the problematic project:
   1. Delete the *.sync file.
   2. Rename the *.fcproj file;
   3. Open renamed *.fcproj file and upload the project:
      
3. If above options did not help, set up a new database.