The file exceeds the limit to which statements can be nested within a MATLAB program control statement. Some MATLAB program control statements, such as if, for, while, and try can include multiple statements within them. This can result in nesting blocks of statements. The limit is exceeded most often with machine-generated M code, typically because an end is missing from a block of generated code that appears repeatedly in the input.

If the code is machine-generated, fix the generator program. If it is hand-written, rewrite the code to reduce the number of nested statements within the MATLAB program control statements.