org.netbeans.lib.ddl.DDLException: Unable to execute command:
alter table `labweb_apregi`.`noticia` drop `id_assoc_noticia`
Error on rename of './labweb_apregi/#sql-6d0b_51610' to './labweb_apregi/noticia' (errno: 150)
   at org.netbeans.lib.ddl.impl.AbstractCommand.execute(AbstractCommand.java:241)
   at org.netbeans.modules.db.explorer.node.ColumnNode.destroy(ColumnNode.java:265)
   at org.openide.nodes.FilterNode.destroy(FilterNode.java:604)
   at org.openide.explorer.ExplorerActionsImpl$DeleteActionPerformer.doDestroy(ExplorerActionsImpl.java:658)
   at org.openide.explorer.ExplorerActionsImpl$DeleteActionPerformer.actionPerformed(ExplorerActionsImpl.java:608)
   at org.openide.util.actions.ActionInvoker$1.run(ActionInvoker.java:90)
   at org.openide.util.actions.ActionInvoker$ActionRunnable.actionPerformed(ActionInvoker.java:159)
   at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:106)
   at org.netbeans.modules.openide.actions.ActionsBridgeImpl.invokeAction(ActionsBridgeImpl.java:57)
   at org.openide.util.actions.ActionInvoker$ActionRunnable.doRun(ActionInvoker.java:150)
   at org.openide.util.actions.ActionInvoker$2.run(ActionInvoker.java:107)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1369)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1907)