TTSD-20112 Tekla Structures no longer crashes when trying to select a material if the matdb.bin file is missing from the currently used environment folder. Development area: System and options Included in Fixed defects in version 2018i SP3 Fixed defects in version 2018 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.