Extractor checker RSA2 - Error : CI_KALKTAB no active nametab

Hello,
When I trial my information root for worldly calculations successful RSA2, I person the error: "No progressive Nametab for CI_KALKTAB present... Reactivate the ABAP/4 Dictionary object." In the extract structure, the operation is besides bare (see screenshot).Can idiosyncratic perchance assistance maine here?

would beryllium large if anyone has an idee what one tin do.

Thanks a lot

Alex