C: Program Files (×86) \Microsoft Visual Studio\MyProjects\ 1234566666\2.c(8) E error C2106: ° E left operand must be 1-value

This error message is related to a problem in the syntax of the code written in the file "2.c" located in the directory "C:\Program Files (x86)\Microsoft Visual Studio\MyProjects\1234566666".

The error message specifically indicates that there is an issue with the left operand in line 8 of the code. The left operand in C programming must be a value that can be modified or assigned a new value.

Without seeing the code, it is difficult to pinpoint the exact cause of the error. However, some common causes of this error include:

- Attempting to modify a constant value (e.g. a literal or a variable declared as 'const').
- Using an expression that does not evaluate to a modifiable value (e.g. using the result of a function call that returns a constant value).
- Using an invalid operator or syntax that results in an incorrect left operand.

To fix this error, you should review the code in "2.c" and ensure that the left operand in line 8 is a modifiable value. You may need to modify the code or use a different variable or expression as the left operand.