QGIS » QGIS Application

I have a a collection of points (.shp) and I need to create round buffers of 5km for each point, but when I cilck to create after setting it up it says there's a Python error:

An error has occurred while executing Python code:

ValueError: math domain error
Traceback (most recent call last):
File "C:/Users/LuisGustavo/.qgis2/python/plugins\mmqgis\mmqgis_dialogs.py", line 437, in run
shape, savename, selectedonly, True)
File "C:/Users/LuisGustavo/.qgis2/python/plugins\mmqgis\mmqgis_library.py", line 1176, in mmqgis_buffers
feature_radius, buffer_edges)
File "C:/Users/LuisGustavo/.qgis2/python/plugins\mmqgis\mmqgis_library.py", line 441, in mmqgis_buffer_point
polyline.append(mmqgis_endpoint(point, meters, float(edge) * 360.0 / float(edges)))
File "C:/Users/LuisGustavo/.qgis2/python/plugins\mmqgis\mmqgis_library.py", line 355, in mmqgis_endpoint
end_lat = math.asin((math.sin(start_lat) * math.cos(distance / radius)) +
ValueError: math domain error

Python version: 2.7.5 (default, May 15 2013, 22:44:16) [MSC v.1500 64 bit (AMD64)]
QGIS version: 2.18.7 Las Palmas, 3b30e6a

Python Path:
C:/PROGRA1/QGIS21.18/apps/qgis/./python/plugins\processing
C:/PROGRA1/QGIS21.18/apps/qgis/./python
C:/Users/LuisGustavo/.qgis2/python
C:/Users/LuisGustavo/.qgis2/python/plugins
C:/PROGRA1/QGIS21.18/apps/qgis/./python/plugins
C:\PROGRA1\QGIS21.18\bin\python27.zip
C:\PROGRA1\QGIS21.18\apps\Python27\DLLs
C:\PROGRA1\QGIS21.18\apps\Python27\lib
C:\PROGRA1\QGIS21.18\apps\Python27\lib\plat-win
C:\PROGRA1\QGIS21.18\apps\Python27\lib\lib-tk
C:\PROGRA1\QGIS21.18\bin
C:\PROGRA1\QGIS21.18\apps\Python27
C:\PROGRA1\QGIS21.18\apps\Python27\lib\site-packages
C:\PROGRA1\QGIS21.18\apps\Python27\lib\site-packages\PIL
C:\PROGRA1\QGIS21.18\apps\Python27\lib\site-packages\jinja2-2.7.2-py2.7.egg
C:\PROGRA1\QGIS21.18\apps\Python27\lib\site-packages\markupsafe-0.23-py2.7-win-amd64.egg
C:\PROGRA1\QGIS21.18\apps\Python27\lib\site-packages\win32
C:\PROGRA1\QGIS21.18\apps\Python27\lib\site-packages\win32\lib
C:\PROGRA1\QGIS21.18\apps\Python27\lib\site-packages\Pythonwin
C:\PROGRA1\QGIS21.18\apps\Python27\lib\site-packages\Shapely-1.2.18-py2.7-win-amd64.egg
C:\PROGRA1\QGIS21.18\apps\Python27\lib\site-packages\wx-2.8-msw-unicode
C:\PROGRA1\QGIS21.18\apps\Python27\lib\site-packages\xlrd-0.9.2-py2.7.egg
C:\PROGRA1\QGIS21.18\apps\Python27\lib\site-packages\xlwt-0.7.5-py2.7.egg
C:/Users/LuisGustavo/.qgis2//python
C:\Users\LuisGustavo.qgis2\python\plugins\mmqgis/forms
C:/Users/LuisGustavo/Google Drive/Biological Sciences/Conservation and Sustainability/QGIS/Mapa Base

I am new to coding, so I don't know exactly what this means. Could someone please help me out? These buffers are essential.