TTSD-17915 Sometimes, opening an older Tekla Structures model with a newer Tekla Structures version resulted in invalid time ID errors, and the model could not be opened. This has now been fixed. Development area: Modeling Included in Fixed defects in version 2019 Fixed defects in version 2018i SP1 Fixed defects in version 2018 SP4 Fixed defects in version 2017i SP5 Quick feedback Did you find what you were looking for? * Yes Partly No What is missing? The feedback you give here is not visible to other users. We use your comments to improve our content. Need support? Fill in this form instead. Leave this field empty We use this to prevent automated spam submissions.