Extra alignment tab has been changed to \cr.  \endtemplate
8147
How to use more than 10 tab stops in bmatrix or other amsmath matrix environments?
96580
"ERROR: Extra }, or forgotten \right." in align* enviroment
87124
How to prevent pagebreak for a custom environment?
70288
Minor alignment issue in the duplicate search bar
156
What is the use of percent signs (%) at the end of lines? (Why is my macro creating extra space?)
12623
The reference to entity "foo" must end with the ';' delimiter
44360
How to disable Alt + ` (backtick/grave)
118679
How to remove 'Chapter 1.' from 'Chapter 1. Introduction' while using \leftmark?
150664
How do I change Eclipse to use spaces instead of tabs?
38722
What replaces cellpadding, cellspacing, valign, and align in HTML5 tables?
146315
'^M' character at end of lines
93036
How can one get rid of the "Template notebook" bar in Mathematica?
62142
minitoc package adds extra page when used with float and lastpage packages
42657
How do I remove the little × that shows up in the frontend when typing?
139387
Problem with a table with special header: bolded numbers are badly aligned with the rest of the numbers
11032
What is wrong with defining \bal as \begin{align}?
43222
Error: extra alignment tab has been changed to \cr