Tested on Ubuntu 18.04 and Centos 7 64

I am getting an error message when comparing schema diff on server mode through rpm
Uncaught (in promise) TypeError: e is undefined
parseApiError http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
e http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
u http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
_invoke http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
_ http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
T http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
i http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
promise callback(http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1))
l http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
r http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
r http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
We http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
c http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
promise callbackc http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
value http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
promise callbackvalue http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
onClick http://127.0.0.1/pgadmin4/static/js/generated/schema_diff.js?ver=61500:1
We http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
Ke http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
kr http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
kr http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
Br http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
Pr http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
De http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
Pr http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
Pr http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
qt http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
Jt http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
unstable_runWithPriority http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
Vi http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
Le http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109
Yt http://127.0.0.1/pgadmin4/static/js/generated/vendor.others.js?ver=61500:109