errors in Linux mint 17.03 (ubuntu 14.04)

Hi i am using linux mint 17/0/3 mthis is built on ubuntu 14.04
openlp version is 2.2.1

i cant seem to add new songs, or edit previous ones. can you please help
i am having the errors here is the error report https://pastebin.com/Bfu2DFT4
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