unable to Get record using get with parameters.

[Jeegen]

hello,

I'm using swagger for GET, POST, GET With Parameters, POST, DELETE for my project. but i'm trying to get record through parameters of one of table but i cant. 

There is 2 parameters WellId and UserName. I'm attached screenshot what i value entered. but i cant get record facing an error 404.

when value normal in UserName than i got the output but when i enterd value like" TECHT\\Jeegen" than I'm facing an error 404 

[RonRatovsky]

That's a screenshot of a very old version of Swagger UI which we no longer support. Please try with the latest version.