patch 8.2.1460: error messages are spread out

Problem:    Error messages are spread out.
Solution:   Move more messages into errors.h.
diff --git a/src/testdir/test_vim9_disassemble.vim b/src/testdir/test_vim9_disassemble.vim
index fe8afad..ef89322 100644
--- a/src/testdir/test_vim9_disassemble.vim
+++ b/src/testdir/test_vim9_disassemble.vim
@@ -35,7 +35,7 @@
 
 def Test_disassemble_load()
   assert_fails('disass NoFunc', 'E1061:')
-  assert_fails('disass NotCompiled', 'E1062:')
+  assert_fails('disass NotCompiled', 'E1091:')
   assert_fails('disass', 'E471:')
   assert_fails('disass [', 'E475:')
   assert_fails('disass 234', 'E129:')