Wallman Database format not valid

I have a problem with a wallman database. I was working with the winprop 2017 version and my database was working well. Now, i am working with the 2019 version and when i attempt to open my database i have the following message error: Database format not valid. I think that it is a problem of compatibility. Can you help me to fix this.

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Reiner_Hoppe

Please find attached your .odb file saved with a previous version of WallMan, so that it can be loaded in the 2019 version. However you will need to rerun the preprocessing for the urban IRT model (creating the .oib file) in case you want to use the IRT model. Otherwise you can continue with the DPM model.

Which version did you use to create the original .odb file?

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bineta

Thank you for your support.

I think it was created with Winprop 8 (2008) version.

However, it is not possible for me to recreate the .oib file since i cannot select the IRT model for urban database with winprop 2019. Only the DPM, COST 231, and Knife edge are available.