How does one parse a syntax error?

[Rob Shell]

Hi Framers:
I wonder how one starts parsing an error like the following one below:

What should I be looking for?
Yup, I got the page numbers.
I have miffed, checked the masterpage of the offending file but cannot find 
the offending command.

%%[Page: 776]%%
%%[Page: 777]%%
%%[Page: 778]%%
%%[ Error: syntaxerror; OffendingCommand: ÿüÿðÀ ? € 
 € 
 € 
 € 
 € 
 
€ 
 € 
 € 
 € 
 € 
 € 
 € 
 € 
 ÿÿþ ÿÿþ € 
 € 
 € 
 € 
 € 
 
€ 
 € 
 € 
 €  ]%%

Stack:
-mark-
[36 33 true [1 0 0 1 -2 33] 0 0]
/H
[40 0 2 -33 38 0]
/H
53


%%[ Flushing: rest of job (to end-of-file) will be ignored ]%%
%%[ Warning: PostScript error. No PDF file produced. ] %%

Prof. Robert C.-H. Shell
Commissioner of Truth and Justice for Mauritius
Extraordinary Professor of Historical Demography
University of the Western Cape
Courier address:
Room 3,23
Statistics department
New Science Building
University of Western Cape
Modderdam Road
Bellville
7535
Western Cape
Republic of South Africa

Airmail address:
Prof. Robert C.-H. Shell
Room 3,23
Statistics department
New Science Building
Private Bag X17
Bellville
Western Cape 7535
Republic of South Africa
E-mail addresses:
rshell at uwc.ac.za
rshell at iafrica.com
Fax: 021-959-2909