Segmentation fault in pw_tofrom_grid

Starting a calculation with the attached files with the development version results in:

forrtl: severe (408): fort: (2): Subscript #1 of the array MX has value 19200 which is greater than the upper bound of 19199

Image              PC                Routine            Line        Source             
fleur              0000000002DC89F0  Unknown               Unknown  Unknown
fleur              000000000152870D  m_pw_tofrom_grid_         134  pw_tofrom_grid.F90
fleur              000000000151FEC6  m_vis_xc_mp_vis_x          54  vis_xc.F90
fleur              00000000014E139A  m_vgen_xcpot_mp_v         115  vgen_xcpot.F90
fleur              00000000007881CD  m_vgen_mp_vgen_            88  vgen.F90
fleur              0000000000414833  m_fleur_mp_fleur_         232  fleur.F90
fleur              00000000007641F1  m_fleur_jobs_mp_f         185  fleur_job.F90
fleur              00000000007648B5  MAIN__                    255  fleur_job.F90
fleur              000000000040F75E  Unknown               Unknown  Unknown
libc-2.17.so       00002B11A6C9FC05  __libc_start_main     Unknown  Unknown
fleur              000000000040F669  Unknown               Unknown  Unknown

This should not happen. enparainpnocoinprhomat_inpsym.out