my expert error: "cannot load indicator 'Bollinger Bands' [4801]

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mohsen bahrami
369
mohsen bahrami  

hi.

I reinstalled meta trader 5 and during test my expert, this error accures.

how can i fix it?


Mehrdad Jeddi
28877
Mehrdad Jeddi  

Hi,

As you could find it in MQL5 reference,this error is for "unknown symbol" :

ERR_INDICATOR_UNKNOWN_SYMBOL 4801 Unknown symbol
 

You would check the symbol that should be passed in valid string format,

Regards!

alina.marabar
23
alina.marabar  
Have you try to load BB template first and then attach your EA.
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