this error started out of nowhere: ! ==> Fatal error occurred, no output PDF file produced!

[creviherol]

I was finishing one of my college reports using Latex, when suddenly this error started, I've been learning to use Latex for a short time so I don't know how to solve it but it has something to do with pdflatex, the error is this:

! ==> Fatal error occurred, no output PDF file produced!
Transcript written on medidas.log.
Latexmk: Missing input file 'medidas.lof' (or dependence on it) from following:
'No file medidas.lof.'
Latexmk: Missing input file 'medidas.toc' (or dependence on it) from following:
'No file medidas.toc.'
Latexmk: If appropriate, the -f option can be used to get latexmk
to try to force complete processing.
Reverting Windows console CPs to (in,out) = (850,65001)
Latexmk: Getting log file 'medidas.log'
Latexmk: Examining 'medidas.fls'
PWD line not in UTF-8
Latexmk: Examining 'medidas.log'
Latexmk: Errors, so I did not complete making targets
Collected error summary (may duplicate other messages):
pdflatex: Command for 'pdflatex' gave return code 1
Refer to 'medidas.log' for details