TUFLOW Message 3521
TUFLOW Message 
ERROR 3521 - Error writing SGS parameters in XF file.
Alternate Message 
NA
Message Type 
ERROR
Description 
File access error happened when writing SGS parameters to XF file.
Suggestions 
Please ensure the output drive has enough memory and good connection with the modeling machine. This could also happen in rare occasion that 2 simulations are writing and reading one XF at the same time. Please close the simulations completely and re-run them one by one.
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