As far as I understand RStudio stopped supporting Ubuntu 16. This is sad.
I face errors when I use ggplot2 with R 4.1.1
[5326:5326:20210814,124440.090233:ERROR process_memory_range.cc:86] read out of range
[5326:5326:20210814,124440.090268:ERROR elf_image_reader.cc:558] missing nul-terminator
[5326:5326:20210814,124440.090350:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092135:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092168:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092200:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092232:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092262:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092296:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092553:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092585:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092686:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092719:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092750:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092782:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092812:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092845:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092875:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092905:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092935:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092965:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.092995:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.093025:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.093055:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.093084:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.093114:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.093143:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.093174:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.093203:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.093234:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.093266:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.093304:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5326:20210814,124440.094222:ERROR elf_dynamic_array_reader.h:61] tag not found
[5326:5327:20210814,124440.112528:ERROR directory_reader_posix.cc:42] opendir: No such file or directory (2)