shell.js error when loading schedule tab in PWA

Has anyone experienced this issue? In Javascript console:

Uncaught ReferenceError: g_PJPrefetch is not defined

in function

function m() {
            ULSePY: ;if (g_PJPrefetch != null && g_PJPrefetch == 0) {
                g_PJPrefetch = 1;
                SP.SOD.prefetch()
            }
        }

Is not displaying the shceduled data in all projects in our project Server on premises. We use sharepoint server subscription edition 2019