Export Error

I made a 40-min wedding video for a dear friend of mine. It took me about three weeks to edit the montage. All of the video clips are shot at 60 FPS, using a Sony RX100 Mark III. I set it to 59.94 FPS option available when I turned on the Premiere Pro CC. When I finished editing, I tried exporting both through Premiere Pro CC and Encoder--about 15% into encoding/exporting, I get an error message. I need help/solution to overcome this issue. I will be bringing this video to show everyone for the first time in about five days. The error message reads like this:

- Encoding Time: 00:20:19

04/15/2018 12:57:55 AM : Encoding Failed

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Export Error

Error compiling movie.

Accelerated Renderer Error

Unable to produce frame.

Writing with exporter: H.264

Writing to file: \\?\C:\Users\User\Documents\Adobe\Premiere Pro\12.0\TurkMasuiWedding.mp4

Writing file type: H264

Around timecode: 00;11;01;05 - 00;11;01;21

Rendering at offset: 661.077 seconds

Component: H.264 of type Exporter

Selector: 9

Error code: -1609629690

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Thank you in advance to anyone who might be able to offer some of their time and expertise...!