Comment (by Roland Haas):

A pull request the removes the limits on number of variables and modes is here:

https://bitbucket.org/einsteintoolkit/einsteinanalysis/pull-requests/15/multipole-remove-limit-on-number-of

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/1481/hidden-hard-coded-limits-on-max_l_modes