**Steps:** * Start Eclipse. * Import simple-junit project. * Click on iFL button. **Expected result:** * The iFL tab loads without any error. **Actual result:** * Unexpected error during logging.  * Log file: [unexpected_during_logging.txt](https://github.com/sed-szeged/iFL4Eclipse/files/3329606/unexpected_during_logging.txt) **Related issue:** * #44 **Version:** * Eclipse: 2019-06 (4.12.0) * iFL: org.eclipse.sed.ifl.feature_1.2.29.1.jar