GeForce GTX 780 USE NVENC SDK Segmentation fault

[root@localhost nvEncodeApp]# ./1080p_heavyhand_3sec.sh

GetNumberEncoders() has detected 1 CUDA capable GPU device(s) <<
[ GPU #0 - < GeForce GTX 780 > has Compute SM 3.5, NVENC Available ]

InitCUDA() has detected 1 CUDA capable GPU device(s)<<
[ GPU #0 - < GeForce GTX 780 > has Compute SM 3.5, Available NVENC ]

Select GPU #0 - < GeForce GTX 780 > supports SM 3.5 and NVENC
./1080p_heavyhand_3sec.sh: line 1: 12988 Segmentation fault (core dumped) ./nvEncoder -configFile=HeavyHand_1080p.txt -outfile=HeavyHandIdiot.3sec.264

[root@localhost nvEncodeApp]# ./1080p_heavyhand_3sec.sh

GetNumberEncoders() has detected 1 CUDA capable GPU device(s) <<
[ GPU #0 - < GeForce GTX 780 > has Compute SM 3.5, NVENC Available ]

InitCUDA() has detected 1 CUDA capable GPU device(s)<<
[ GPU #0 - < GeForce GTX 780 > has Compute SM 3.5, Available NVENC ]

Select GPU #0 - < GeForce GTX 780 > supports SM 3.5 and NVENC
File: src/CNVEncoder.cpp, Line: 1758, nvEncOpenEncodeSessionEx() returned with error 21
Note: GUID key may be invalid or incorrect. Recommend to upgrade your drivers and obtain a new key
--------------nvStatus : 21
NVENC error at src/CNVEncoder.cpp:1761 code=21(NVENC Feature not available for current license key type) “nvStatus”