SAP系统VBA宏下载提取失败求助：触发‘Invalid GUI input data: FOCUS DATA’错误

我最近碰到个头疼的问题，想请各位帮忙分析下：我写的VBA宏在从SAP系统下载提取文件时，一到下载环节就突然停住，弹出错误提示 Invalid GUI input data: FOCUS DATA。但奇怪的是，手动执行完全相同的操作步骤却毫无异常。我已经联系IT部门排查过，还尝试安装了新版本的SAP客户端，可这个问题依然没解决。

SAP系统手动操作步骤 #

1. 输入事务码 ZFIS，选择路径：Finance New GL >> Line Item Reports >> Cognos Download
2. 输入所需参数后执行查询
3. 将查询结果保存为txt格式到指定文件夹

附上我的VBA代码片段 #

Sub CognosUpload()
 Dim SAPApplication
 Dim SAPConnection
 Dim SAPSession
 Dim SAPGuiAuto
 Dim StoringPath As Variant
 Dim fso As Scripting.FileSystemObject
 Dim ts As Scripting.TextStream
 Application.ScreenUpdating = False
 Application.EnableEvents = False
 Application.DisplayAlerts = False
 CurYear = Format(DateSerial(Year(Date), Month(Date) - 1, 1), "YYYY")
 Period = Format(DateSerial(Year(Date), Month(Date) - 1, 1), "MM")
 MsgBox ("Please select a folder to save all the SAP Extracts.")
 Set FldrPicker = Application.FileDialog(msoFileDialogFolderPicker)
 With FldrPicker
 .Title = "Select A Target Folder"
 ' 原代码后续内容省略
 End With
End Sub

有没有大佬能帮忙梳理下这个错误的可能原因，或者给点解决思路？多谢大家了！

内容的提问来源于stack exchange，提问作者raj kumar