Code completion always shows "PANIC"

[leolin49]

Please answer these questions before submitting your issue. Thanks!
Also, remember that to restart gocode, you have to run gocode close.

What version of Go are you using (go version)?

1.16.6

What operating system and processor architecture are you using (go env)?

linux/amd64

What is the debug output of gocode?

Run gocode close and then run gocode -s -debug to restart gocode in debug mode.
Try to complete once again from your editor, and paste the output printed by gocode here.

What (client-side) flags are you passing into gocode?

Please note here if you are using -source, -builtin, -ignore-case, -unimported-packages, or -fallback-to-source.

What editor are using?

vim8.0 Vundle

[stamblerre]

This tool is no longer supported: https://github.com/mdempsky/gocode#important-this-repository-is-currently-in-maintenance-mode. Please switch to one of the following Vim plugins for gopls: https://github.com/golang/tools/blob/master/gopls/doc/vim.md.