Hi, i'm new to pcb design tool , i received some .brd and .dra and .psm file from my friend for my practice, he did this on Allegro sp 16.6 but i'm using Allegro sp 16.5 lite version. when i open those file i receive the following error.
ERROR(SPMHOD-29): Unable to open design because database was saved under a newer release and contains features not compatible with this version of software. See the newer release's documentation for any conversion capability.
Pls help me to solve this error.