Hello @Mercedez Delgado
I am assuming that you have a mac with macOS 14.x (Sonoma) or 15.x (Sequoia). Unfortunately IBM SPSS Statistics 26.0 and earlier releases are not compatible with that version of macOS. The first compatible version of IBM SPSS Statistics for macOS was version 29.0.2.0 (20).
Interim Fixes for version 27.0.1.0 and 28.0.1.1 were delivered, however 29.0.2.0 needed no such interim fix applied. The current release is 30.0.0.0 (172) and is fully compatible with both macOS 14.x (Sonoma) or 15.x (Sequoia).
See Known issue DT243265