Frontend connection not possible

[xyrox54]

Hi.
Why have this error ?

commons.8a34be2e.js:120 TypeError: Cannot read properties of undefined (reading 'orderBook') at i.orderBook (commons.8a34be2e.js:38:228166) at n.value (commons.8a34be2e.js:38:233766) at Bo (commons.8a34be2e.js:120:69876) at Ro (commons.8a34be2e.js:120:69671) at ms (commons.8a34be2e.js:120:105470) at uc (commons.8a34be2e.js:120:96717) at sc (commons.8a34be2e.js:120:96642) at $s (commons.8a34be2e.js:120:93672) at commons.8a34be2e.js:120:45314 at t.unstable_runWithPriority (commons.8a34be2e.js:128:3846)