Unknown line code V

[WolfgangFahl]

after improving the error handling i get

error    2:investment - Unknown line code: V in line 522618:V10.26.18
error    3:investment - Unknown line code: V in line 522638:V7.1.19
error    4:investment - Unknown line code: V in line 522657:V9.9.19
error    5:investment - Unknown line code: V in line 522676:V10.9.19
error    6:investment - Unknown line code: V in line 522695:V10.9.19
error    7:investment - Unknown line code: V in line 522714:V6.24.20
error    8:investment - Unknown line code: V in line 522739:V8.1.89
error    9:investment - Unknown line code: V in line 522759:V7.1.91
error   10:investment - Unknown line code: V in line 522776:V7.1.92
error   11:investment - Unknown line code: V in line 522793:V6.22.93
error   12:investment - Unknown line code: V in line 522816:V10.15.89
error   13:investment - Unknown line code: V in line 522836:V6.18.90
error   14:investment - Unknown line code: V in line 522853:V6.18.91
error   15:investment - Unknown line code: V in line 522870:V7.1.92
error   16:investment - Unknown line code: V in line 522887:V6.22.93
error   17:investment - Unknown line code: V in line 522904:V6.21.94
error   18:investment - Unknown line code: V in line 522921:V7.22.95
error   19:investment - Unknown line code: V in line 522938:V7.22.96
error   20:investment - Unknown line code: V in line 522955:V5.17.97
error   21:investment - Unknown line code: V in line 522974:V6.17.97
error   22:investment - Unknown line code: V in line 522991:V6.18.98
error   23:investment - Unknown line code: V in line 523014:V1.1.88
error   24:investment - Unknown line code: V in line 523034:V7.2.96