Error while saving an altered dataset to NetCDF when loaded from a file about xarray HOT 4 OPEN

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Thanks for raising this. Please see #6323 for discussion on handling encoding in the future.

As you already found, drop_encoding is the way to go for your use-case. This is also mentioned in the docs here https://docs.xarray.dev/en/stable/user-guide/io.html#reading-encoded-data. Please let us know, if and how the documentation could be improved to make this more clear.

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Thank you for pointing out the resources.

I like the idea of the keep_encoding parameter mentioned in #6323.

The documentation could benefit from being more explicit about the issue of invalid encoding and its consequences. Specifically, the section Writing encoded data could mention that some operations may lead to invalid encoding information that can cause errors when writing to a file, for example with to_netcdf(). It could be noted that in these instances, the encoding information can be corrected or removed entirely using drop_encoding(). Additionally, the documentation for functions related to reading and writing files (open_dataset(), to_netcdf(), etc.) could point to the Reading and writing files webpage.

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@tarik Thanks for taking the time to share your thoughts.

Regarding the documentation changes we always welcome contributions.

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