Patryk, Sorry, I mistakingly referenced the OP. I don't have enough expertise in reading IFC file data, but the error you posted mentions a syntax error, which could be the usage of a special character, for the mentioned object - 9491 . Here's some information about special characters - https://technical.buildingsmart.org/resources/ifcimplementationguidance/string-encoding/ You can also use IFC specific applications like Solibri to review fix some of these errors - https://help.solibri.com/hc/en-us/articles/4412358702743-How-to-resolve-IFC-read-errors-in-Solibri If you send over the IFC file to our support, they might be able to review it further.
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