Why won't Clutch pedal won't work after DIY clutch job? Any help please??

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My work associate Shaun did a DIY clutch job on his 1999 BMW Z3. After putting it all back together, he tried to press down the clutch pedal and it wouldn't move a inch. I'm thinking the fork to slave is messed up. He's getting it towed to my house so I can take try fix it. He also broke the upper bolt on the starter. This is going to be an new adventure. Any advice would be helpful. Thanks in advance.