我的申请和LP的申请一起寄出的（12/11/2008）。
Receipts obtained on (12/18/2008).
但到USCIS的网页上查，我的reciept numbers 可以查到。
但LP的receipt numbers 查不到。 网页显示：
Validation Error(s)
You must correct the following error(s) before proceeding:
• Case Status Retrieval Failed
• This Receipt Number cannot be found at this time in this automated system. Please check your case receipt number to see if it is correct. If you have questions or concerns about your case status, please contact the National Customer Service Center.
有人有过类似的情况吗？知道是怎么回事吗？