Do any of these discussions help:

https://www.researchgate.net/post/what_is_error_2070_in_gaussian_09how_we_do_resolve_it

https://www.researchgate.net/post/The_error_notice_of_Gaussian_09_Severe_Error_Message_2070

According to this entry, error 2070 may indicate that something has not been installed correctly:

http://winload.org/gaussian-03-error-message-2070.html

Maybe you could try to calculate a "waterproof" species like N2 to check that.

Dear Jürgen Weippert

Thank you very much for your answer.

I have got the solution, the basis set I have chosen is not suitable for strontium, it may only work for the first 20 elements in the periodic table.

Best regards,

XC

Hi Alexis Antoinette Ann Delgado

Thank you very much! It really helps.

Best regards,

XC