Invalid char

Hi experts,

In one of my delata load failed due to Invalied char, the error message is

Value '072009 Maintenance/Repair NYRO00' (hex. '0030003700320030003000390020004D00610069006E007400') of characteristic 0TCTIOBJVAL contains invalid characters

Message no. BRAIN060

i dont know which is invalid char in this plz give me proper solution.

Manythanks in advance

David