TWTOOL07 results in error

Performing a unicode and OS/DB migration at the same time. SPUMG all checks are green. However when excuting the export DYNPSOURCE table results in error.

Error -21 during CsInitDecompr

PROGNAME 53 41 50 4c 43 4b 41 50 50 30 31 50 45 52 53 20 |SAPLCKAPP01PERS |

PROGNAME 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |                |

PROGNAME 20 20 20 20 20 20 20 20                         |                |

DYNPNUMBER 32 30 30 30                                     |2000            |

R3STATE 41                                              |A               |

(CNV) ERROR: data conversion failed.  rc = 2

(DB) INFO: disconnected from DB

Used the report TWtool07 and it comes up with the error.

Decompression Test for Screen Sources

SAPLCKAPP01PERS                          2000 cannot be read
SAPLCKAPP03PERS                          2000 cannot be read

Note 870601 tried and unsuccessful. any ideas? Message aready open with SAP since 4 days.

Thanks