I am running

make

in the caravel dir. The caravel_out.gds seems to be generated. However, the last few lines from the make command are like tese

Processing timestamp mismatches: gpio_control_block, storage, mgmt_core, user_id_programming, simple_por, mgmt_protect, user_project_wr

apper, chip_io.

File ../mag/sky130_fd_sc_hvl__lsbufhv2lv_1.mag couldn't be read

220756 problems occurred. See feedback entries.

Using technology "sky130A", version 1.0.72-2-ge60b486

1. It says a magfile could not be read. Should I ignore it or should I update the pdk? 2. where is the feedback file that logs 220756 problems?