No implementation found for style `xr-hyper'

redefining command \lq 

*** wrap_cmd_myequal not defined, cannot wrap \myequal 

? brace missing for \

Substitution of arg to newlabelxx delayed.

redefining command \ 

? brace missing for \oldcontentsline

? brace missing for \oldnewlabel

? brace missing for \newedenvironment

? brace missing for \simplemathrm
