Saving long course gives error

[lsolesen]

Saving a long course node gives the following error:

• Warning: array_unshift() [function.array-unshift]: The first argument should be an array in vih_course_registration_long_node_view() (line 30 of /home/vih/dev.vih.dk/profiles/vih_dk/modules/vih/vih_course_registration_long/vih_course_registration_long.module).
• Warning: array_unshift() [function.array-unshift]: The first argument should be an array in vih_course_registration_long_node_view() (line 30 of /home/vih/dev.vih.dk/profiles/vih_dk/modules/vih/vih_course_registration_long/vih_course_registration_long.module).
  And on the last line making the page NOT render properly: