# Issue with Dynare Preprocessor (4.6.4)

**URL:** <https://forum.dynare.org/t/issue-with-dynare-preprocessor-4-6-4/19377>\
**Category:** Installation and Setup\
**Created:** [29 November 2021 15:09 UTC](https://forum.dynare.org/t/issue-with-dynare-preprocessor-4-6-4/19377 "2021-11-29T15:09:45Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![csanper](https://forum.dynare.org/letter_avatar_proxy/v4/letter/c/8edcca/32.png) [@csanper](https://forum.dynare.org/u/csanper)\
**Post date:** [29 November 2021 15:09 UTC](https://forum.dynare.org/t/issue-with-dynare-preprocessor-4-6-4/19377/1 "2021-11-29T15:09:45Z")

</div>

Dear Dynare team,

After a couple weeks using Dynare 4.6,4 with no problems at all, the following error appears when I try to run certain .mod:

Using 64-bit preprocessor  
Starting Dynare (version 4.6.4).  
Calling Dynare with arguments: none  
Starting preprocessing of the model file …  
Found 12 equation(s).  
Evaluating expressions…done  
Computing static model derivatives (order 1).  
Computing dynamic model derivatives (order 1).  
terminate called after throwing an instance of ‘std::filesystem::\_\_cxx11::filesystem\_error’  
what(): filesystem error: cannot create directory [rbc\_task3]

The strange part of this is that I can run other dynare models and colleagues of mine can actually run this problematic .mod on their computers. Do you happen to know anything about what can cause this problem?

[rbc\_task3.mod](https://forum.dynare.org/uploads/short-url/lqpQOa0DvcWzk4O94askod62Wsm.mod) (1.7 KB)

Thank you in advance for your time!

Best  
Carlos

---

<div class="post-metadata">

**Author:** ![jpfeifer](https://forum.dynare.org/user_avatar/forum.dynare.org/jpfeifer/32/5044_2.png) [@jpfeifer](https://forum.dynare.org/u/jpfeifer)\
**Post date:** [30 November 2021 07:45 UTC](https://forum.dynare.org/t/issue-with-dynare-preprocessor-4-6-4/19377/2 "2021-11-30T07:45:01Z")

</div>

See

> [@Filesystem error: cannot remove all \[YjLu0asVxy\]](https://forum.dynare.org/t/filesystem-error-cannot-remove-all-yjlu0asvxy/17630/2):
>
> Unfortunately, no. Dynare will try to delete that folder itself, but sometimes this operation is blocked. On my machine that happens particularly if the folder is synchronized by a cloud drive.