kong1.0, Kong Dashboard latest version 3.6.0 is not allowing to create/update a group

[douli5602]

[jlcoding]

same problem

[sunshangqiang]

same problem

[blackstarstar007]

kong: v1.2.1 kong-dashboard: v3.6.0 and is docker running why?

[cynicliu]

same problem

[rnietoe]

same issue with kong 1.5.0, after migrated from kong 0.14.1