My former employer and myself entered into a severance agreement. Included in that agreement was the retrieval of nine years worth of personal documents, files, and contacts on my laptop computer. In the process of the company trying to remove the files and send to me, because I was no longer allowed access to the computer, they crashed the laptop and all data and files were lost. Since this was in a severance agreement signed by both parties is the former employer at fault and can I place a value on the lost data and be properly compensated?