Is there a specific number of times a DVD+RW can be reused?

I saved a one page document onto a DVD+RW (first time using)and it took up
the whole 4.7 GB. Then erased it and saved a large Folder (~399MB)
containing many Files from my other computer. Checked it and all OK. Then
elected to add more files from old computer but apparently disk full.
Thinking I did something wrong, I erased again and started all over. This
time saved all the files of interest but when I subsequently tried to use
the disk, a message box appeared saying something to the effect unable to
read the disk and/or disk is corrupt.