3290983 - Cannot logon Webgui with Javascript error

Symptom

Cannot logon SAP GUI for HTML (WebGUI) with inputting logon credential manually, after click on logon button, F12 developer tool shows below error in console tab:

Uncaught SyntaxError: Unexpected token '<' (at domainrelax.js?...)
webgui?sap-client=000:1 Uncaught ReferenceError: ur_relax is not defined
at webgui?sap-client=...
(anonymous) @ webgui?sap-client=...
lightspeed.js?... Uncaught SyntaxError: Unexpected token '<' (at lightspeed.js?...)
webgui?sap-client=... Uncaught ReferenceError: UCF_LS is not defined
at new SL_SystemLogin (webgui?sap-client=...)
at SL_SystemLogin_init (webgui?sap-client=...)

Further testing service node: ping (https://hostname:xx/sap/public/ping?) in transaction SICF, it returns a login.

Environment

Logon page (Webgui logon page is one of the example)

Product

ABAP platform all versions ; SAP NetWeaver all versions ; SAP S/4HANA all versions

Keywords

Uncaught SyntaxError: Unexpected token '<', can't login, can't logon, webgui, logon page, ping , KBA , BC-MID-ICF-LGN , ICF System Login , BC-WD-ABA , Web Dynpro ABAP , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.