Back test error why?

Algos, strategies, code
1

buy.

Close>EMA(Close,14) AND RSI(Close,14)<40

sell,

Close < EMA(Close,14) AND RSI(Close,14) > 60

what is the wrong with this code?

because back testing error is coming,pl help me what wrong?

2

The above code is correct, and it is giving alerts , use it for high volatile script like NIFTY or HDFCBANK,