B4J Question BVAD3 jsonparser jsongenerator missing

[tango]

how can i solve?

Unknown type: jsonparser<br />Are you missing a library reference?
Unknown type: jsongenerator<br />Are you missing a library reference?
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B4J Version: 10.00
Parsing code. Error
Error parsing program.
Error description: Unknown type: jsonparser
Are you missing a library reference?
Error occurred on line: 1194 (BANanoALASQLE)
Dim parser As JSONParser

 

[Erel]

Add a reference to the Json library.