Here is an error I get. Please help. I do not have any idea what to do at the moment. Thank you
[...]$ jhipster jdl ~/Pobrane/awex.jdl
INFO! Using JHipster version installed globally
INFO! Executing import-jdl /home/UltimateSystems/Pobrane/awex.jdl
INFO! The JDL is being parsed.
Error: Database type is required to validate entities.
Error while parsing applications and entities from the JDL Error: Database type is required to validate entities.
Error: Database type is required to validate entities.
at checkForEntityErrors (/usr/local/lib/node_modules/generator-jhipster/jdl/validators/jdl-without-application-validator.js:82:13)
at Object.checkForErrors (/usr/local/lib/node_modules/generator-jhipster/jdl/validators/jdl-without-application-validator.js:69:7)
at checkForErrors (/usr/local/lib/node_modules/generator-jhipster/jdl/jdl-importer.js:202:13)
at Object.import (/usr/local/lib/node_modules/generator-jhipster/jdl/jdl-importer.js:115:7)
at JDLProcessor.importJDL (/usr/local/lib/node_modules/generator-jhipster/cli/import-jdl.js:210:43)
at JDLProcessor.importJDL (/usr/local/lib/node_modules/generator-jhipster/cli/import-jdl.js:370:34)
at module.exports (/usr/local/lib/node_modules/generator-jhipster/cli/import-jdl.js:512:17)
at /usr/local/lib/node_modules/generator-jhipster/cli/jdl.js:61:49
at processTicksAndRejections (internal/process/task_queues.js:95:5)
at async Promise.all (index 0)
Error during import-jdl: Error: Database type is required to validate entities.
Error: Database type is required to validate entities.
at checkForEntityErrors (/usr/local/lib/node_modules/generator-jhipster/jdl/validators/jdl-without-application-validator.js:82:13)
at Object.checkForErrors (/usr/local/lib/node_modules/generator-jhipster/jdl/validators/jdl-without-application-validator.js:69:7)
at checkForErrors (/usr/local/lib/node_modules/generator-jhipster/jdl/jdl-importer.js:202:13)
at Object.import (/usr/local/lib/node_modules/generator-jhipster/jdl/jdl-importer.js:115:7)
at JDLProcessor.importJDL (/usr/local/lib/node_modules/generator-jhipster/cli/import-jdl.js:210:43)
at JDLProcessor.importJDL (/usr/local/lib/node_modules/generator-jhipster/cli/import-jdl.js:370:34)
at module.exports (/usr/local/lib/node_modules/generator-jhipster/cli/import-jdl.js:512:17)
at /usr/local/lib/node_modules/generator-jhipster/cli/jdl.js:61:49
at processTicksAndRejections (internal/process/task_queues.js:95:5)
at async Promise.all (index 0)
ERROR! Error during import-jdl: Database type is required to validate entities.
Error: Error during import-jdl: Database type is required to validate entities.
at module.exports (/usr/local/lib/node_modules/generator-jhipster/cli/import-jdl.js:527:27)
at /usr/local/lib/node_modules/generator-jhipster/cli/jdl.js:61:49
at processTicksAndRejections (internal/process/task_queues.js:95:5)
at async Promise.all (index 0)