Rectangle_label: failed to create => RectLabel object! Error code = 4200 appears in my ea, it cannot be traded but can be backtested, why? How to fix this error?

[Gouxiang Lan]

Rectangle_label: <Deleted> Error code = 4200， <Deleted> ？

[Fernando Carreiro]

Gouxiang Lan:

You have not provided any code and we do not understand the Chinese characters. You will also have to explain in more detail.

[Nguyen Thi Thanh Huong]

2023.01.26 22:57:20.738 <Deleted> XAUUSD,M1: Rectangle_label: failed to create => RectLabel object! Error code = 4200

[William Roeder]

The error code is missing in the MT5 list. Same as MT4.

Code	ID	Description
4200	ERR_OBJECT_ALREADY_EXISTS	Object already exists