R CMD check found ERRORs

Exception: mismatch in dimension declared and found in context; processing stage=parameter initialization; variable name=beta; position=0; dims declared=(3); dims found=(1) (in '/tmp/RtmpXd4pSa/working_dir/Rtmpy9z4J3/model-3d014c6ade1e.stan', line 12, column 2 to column 17)

Fitting failed. Unable to retrieve the metadata.

Fitting failed. Unable to retrieve the metadata.

Test failures

Process completed with exit code 1.

Exception: mismatch in dimension declared and found in context; processing stage=parameter initialization; variable name=beta; position=0; dims declared=(3); dims found=(1) (in '/tmp/RtmpXd4pSa/working_dir/Rtmpy9z4J3/model-3d014c6ade1e.stan', line 12, column 2 to column 17)

Fitting failed. Unable to retrieve the metadata.

Fitting failed. Unable to retrieve the metadata.