Latex error during compilation

[michael tsagris]

Can somebody please tell me how to fix this error? the only I thing I change in my computer is the latex. I updated miktext and texmaker. And here I am. 
LaTeX errors when creating PDF version.
This typically indicates Rd problems.
LaTeX errors found:
! File ended while scanning use of \HeaderA.
<inserted text> 
                \par 
<*> D:/temp/RtmpA5snrO/Rd2pdf122d81cab6b64/Rd2.tex
                                                  
! Emergency stop.
<*> D:/temp/RtmpA5snrO/Rd2pdf122d81cab6b64/Rd2.tex
                                                  
*** (job aborted, no legal \end found)

!  ==> Fatal error occurred, no output PDF file produced!
* checking PDF version of manual without hyperrefs or index ... ERROR
* DONE
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