Hi, here is the log file. It ends with the following lines:
[...]
UTF-8 Thai Hyphenation Patterns
(/usr/share/texmf/tex/generic/thailatex/hyph-th-utf8.tex
Hyphenation patterns for Thai
! Nonletter.
l.59 ^^e0^^b8^^811^^e0^^b8^^9f
?
! Emergency stop.
l.59 ^^e0^^b8^^811^^e0^^b8^^9f
No pages of output.
Transcript written on platex.log.
fmtutil.VkC5Lxcl.xz
Description: application/xz

