Solution for TradingView
Try placing a trade from buttons. Make sure that the Chart Symbol in TradingView matches Input Symbol Symbol in Bridge Symbol Settings. Example, if chart symbol is SBIN, there should be a row in symbol settings with Input Symbol SBIN.
If you are sending SYMBOL in alert message box, again make sure it should be same as input symbol
(Resolved in Extension v4.1) If chart symbol is CRUDEOILM2020, the input symbol should be CRUDEOILM, because Extension may truncate the integer part from chart symbol.
Solution for Amibroker
If you are using any of the default templates from mycoder, make sure that Amibroker chart symbol is same as Input Symbol in Symbol Settings.
If you have programmed your own AFL, look for function Algoji_Signal() Make sure that the symbol you pass in this function, is same as Input Symbol in Symbol Settings.