Crash when compiling: RangeError (index): Invalid value: Only valid value is 0: 1

I am getting this exception I searched on stackoverflow but the solutions I found didn’t work for me. I faced this error: Unhandled exception: Crash when compiling: RangeError (index): Invalid value: Only valid value is 0: 1 #0 List.[] (dart:core-patch/growable_array.dart:264:36) #1 Class._computeOnClause (package:kernel/ast.dart:1156:73) #2 Class.onClause (package:kernel/ast.dart:1139:49) #3 SourceClassBuilder.checkMixinApplication (package:front_end/src/fasta/source/source_class_builder.dart:908:52) #4 SourceLoader.checkMixins (package:front_end/src/fasta/source/source_loader.dart:2714:19) #5 KernelTarget.buildOutlines.<anonymous closure> … Read more

SQL count results in groups, with repeating groups

I have this data: ARRIVAL,ITEM_TYPE,ITEM 1,0,Cat 2,0,Dog 3,1,Horse 4,1,Cow 5,0,Fish 6,0,Barn 7,0,Potato I would like to query for this result: 0,2 1,2 0,3 … showing that in order by ARRIVAL there was a group of 2 items with ITEM_TYPE = 0, then 2 with ITEM_TYPE = 1, then another group with ITEM_TYPE = 0. The … Read more

SQL Foreign key constraint is incorrectly formed

Hope somone can help me. Session Table is here: CREATE TABLE User ( UID int, Name varchar(40), Vorname varchar(15), Titel varchar(40), Geschlecht int, EMailAdr varchar(40), SHID int, Guthaben int , PRIMARY KEY (UID), FOREIGN KEY (SHID) REFERENCES Schule(SHID), UNIQUE (EMailAdr) ); CREATE TABLE Schule ( SHID int, Name varchar(40), Adr varchar(80), PRIMARY KEY (SHID), UNIQUE … Read more

Unable to start Payara (payara6) server instance in vscode

Whenever I try to run instance of payara server in vscode. Not able to start the server. Following is the error I’m facing in the output window of vs code. Error: Could not find or load main class Files\payara6\glassfish.lib.grizzly-npn-api.jar Caused by: java.lang.ClassNotFoundException: Files\payara6\glassfish.lib.grizzly-npn-api.jar JDK version 11 Windows 10 pro payara version 6.2023.11 Expecting to run … Read more