ergasiophobia

from The Century Dictionary.

• noun An excessive disinclination, which may amount to an insane aversion, to work; also, excessive timidity, on the part of a surgeon, and fear to perform an operation even when it is urgently indicated.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An irrational fear of being able to work properly, especially that of a surgeon being able to operate