Image flag

Dear LAMMPS developers,
If image flags were non-zero after performing equilibration+production runs for a PBC system, could it create a problem as an example known as jump due to PBC or unphysical bonds, angles, … (If I do not want to inspect the bonds, angles, … after the production run)? Please note that I did not use dump_modify. Also, I saw images of -18, -12, -1, …
Regards, Bahman