LR script fails with Error -27726: Step download timeout (120 seconds) has expired

I have recorded script for Oracle ERP with Ajax click and script.

I have used mignify glass to search for data as it will take long time to load if i do not use magnify glass.

the script will fail at first magnify glass with above error.

can anyone suggest.

lr_start_transaction("suppliername");

    web_edit_field("Amount_2", 
        "Snapshot=t11.inf", 
        DESCRIPTION, 
        "Type=text", 
        "Name=Amount", 
        ACTION, 
        "FireEvent=onfocus", 
        LAST);

    web_image_link("Search for Supplier Name", 
        "Snapshot=t12.inf", 
        DESCRIPTION, 
        "Alt=Search for Supplier Name", 
        "Name=", 
        ACTION, 
        "ClickCoordinates=7,6", 
        LAST);

    lr_think_time(10);

    web_edit_field("searchText", 
        "Snapshot=t13.inf", 
        DESCRIPTION, 
        "Type=text", 
        "Name=searchText", 
        "FrameName=", 
        "BrowserOrdinal=2", 
        ACTION, 
        "SetValue=COMSTOCKPARK101", 
        LAST);

    web_list("categoryChoice", 
        "Snapshot=t14.inf", 
        DESCRIPTION, 
        "Name=categoryChoice", 
        "FrameName=", 
        "BrowserOrdinal=2", 
        ACTION, 
        "Select=Site", 
        LAST);

    web_button("BUTTON_2", 
        "Snapshot=t15.inf", 
        DESCRIPTION, 
        "Type=button", 
        "Tag=BUTTON", 
        "ID=", 
        "Name=", 
        "Value=", 
        "Ordinal=3", 
        "FrameName=", 
        "BrowserOrdinal=2", 
        ACTION, 
        "UserAction=Click", 
        LAST);

    web_image_link("Quick Select", 
        "Snapshot=t16.inf", 
        DESCRIPTION, 
        "Alt=Quick Select", 
        "Name=", 
        "FrameName=", 
        "BrowserOrdinal=2", 
        ACTION, 
        "ClickCoordinates=10,11", 
        LAST);

    lr_end_transaction("suppliername",LR_AUTO);