On top of what the others said, you do not import a .sas7bdat file, you just use it through a library definition, as it is already a SAS dataset.
But
TEMP1.pooled_PASA_merge.SAS7bdat
is not a valid name for a .sas7bdat file. A dataset name (everything before the .sas7bdat) can only contain letters, digits and underlines (no periods!), and must not start with a digit. And the whole filename (including the extension) must be lowercase.
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