how to fixe error : Type mismatch : cannot convert from string to boolean in jaspersoft studio

0

I figure out Jaspersoft Studio and i'am trying to build a report. But when i click on "preview" to launch my report, i've this error:

Type mismatch : cannot convert from string to boolean" then when i click on this error, jasper open my expression editor: "1.3. " + ($P{Langue_francais} ? "Date de naissance" : "Date, Place, Country of Birth")

The parameter $P{Langue_francais} called in this expression is here:

In this expression there is two another parameter $P{Langue_FR_EN} and $P{Campus_Berlin } which are enter by user when they launch report

There is someone who can help me with this.

Sincerely

christmoney1's picture
Joined: Apr 11 2021 - 1:54am
Last seen: 3 weeks 5 days ago

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