When loading the page just repeat confirmation on the prompt ”No more fonts may be added to this workbook” until they stop, based on the number of cells.
Step 2: Shift left click on the tabs from the far left to the far right, allowing you to select all sheets you have.
Step 3: Click the ”File” option
Step 4: Select the option ”Page Layout”
Step 5: Select the ”Headers” tab
Step 6: In the drop-down menu at the top of the window, select the ” (None) ” option to remove all headers and resolve this issue.