Dynare forums

Hi!
I'm simulating a deterministic new-keynesian model.
Dynare return this kind of error:
" can't open file filename/checksum"
I don't know what the checksum file is, and so it's impossible to understand the nature of the problem.
Can someone please give me an idea?
Thank you

That is a file created by Dynare to keep track whether the model has changed so the existing files do not need to be updated. It is used in the context of the

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fast

command line option, which is particularly useful when combined with the

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use_dll

option.

The error message you report suggests that either you do not have the correct permissions for accessing/writing that file or that it is still open from a previous process. You should typically be able to exclude the latter by closing and reopening Matlab.

Thank you! Closing all the related documents now it's working!