BEXIS2: Create a new unit

[geofranzi]

Manage Units -> Create Unit

• leave out one of the mandatory fields > error

• save a new unit + existing dimension -> save should work

• fill everything correct + create a new dimension + add correct dimension spec. e.g. -> save should work

• fill everything correct + create a new dimension + add incorrect dimension spec. e.g. -> error

• (erros is fixed ..works now) fill everything correct + select "Dimension name" from list -> save fails!, but should not
  

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