RP404703513SG sent post and no see

ı vant see post and singapure post. its invalid tracking number?

Thanks for using Speedpost Track and Trace! There are no updates on your item yet and the possible reasons are:
1.Have you entered the correct tracking number? Please check and re-enter the right tracking number
2.Could your item be still with the merchant or its overseas delivery partner? Once your item reaches Singapore, we will update the status and deliver it accordingly!