unable to merge unrelated histories in this repository code example

Example 1: fatal: refusing to merge unrelated histories

git pull origin master --allow-unrelated-histories

Example 2: refusing to merge unrelated histories

git pull origin master --allow-unrelated-histories

Example 3: fatal: refusing to merge unrelated histories

git pull --allow-unrelated-histories

Example 4: fatal: refusing to merge unrelated histories

fatal: refusing to merge unrelated histories
solution:
git pull --allow-unrelated-histories

Example 5: fatal: refusing to merge unrelated histories

git pull origin master --allow-unrelated-histories

Example 6: fatal: refusing to merge unrelated histories

git pull origin master --allow-unrelated-histories
then when asked for merging vim editor opens click insert (i) type msg and :wq to save and exit