diff -r 7e08730da258 -r 4a1864c3e867 java/sql-dk/src/info/globalcode/sql/dk/InvalidOptionsException.java
--- a/java/sql-dk/src/info/globalcode/sql/dk/InvalidOptionsException.java	Mon Mar 04 17:06:42 2019 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,66 +0,0 @@
-/**
- * SQL-DK
- * Copyright © 2013 František Kučera (frantovo.cz)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package info.globalcode.sql.dk;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-
-/**
- *
- * @author Ing. František Kučera (frantovo.cz)
- */
-public class InvalidOptionsException extends Exception {
-
-	private final Collection<OptionProblem> problems = new ArrayList<>();
-
-	public Collection<OptionProblem> getProblems() {
-		return Collections.unmodifiableCollection(problems);
-	}
-
-	public void addProblem(OptionProblem p) {
-		problems.add(p);
-	}
-
-	public boolean hasProblems() {
-		return !problems.isEmpty();
-	}
-
-	public static class OptionProblem {
-
-		private String description;
-		private Throwable exception;
-
-		public OptionProblem(String description) {
-			this.description = description;
-		}
-
-		public OptionProblem(String description, Throwable exception) {
-			this.description = description;
-			this.exception = exception;
-		}
-
-		public String getDescription() {
-			return description;
-		}
-
-		public Throwable getException() {
-			return exception;
-		}
-	}
-}