Failed to attach to debugger: Another debugger is already attached to the tab with id:

Hi ,

i'm Using Loadrunner 12.50, i have generated the script in Trueclient Web, in Chromium,

in my application , i had to open multiple browser windows (Chromium not in IE) ,when i replay,

i got the error as "Error -205177: Failed to attach to debugger: Another debugger is already attached to the tab with id: 18.       Snapshot Info [MSH 1 0]    [MsgId: MERR-205177] [MsgId: MERR-205177]" 

but no screenshot is displayed in the replay results folder,

and its for only 2nd window not occured for all the other active browser window, 

please tell me the reason and solution for this error

thank you