Uncaught ReferenceError: __ENV__ is not defined

[veeramarni]

sometimes in UI we get these errors

index.d13ac94f0a2597da24a4.js:formatted:16228 Uncaught ReferenceError: __ENV__ is not defined
    at 256992 (index.d13ac94f0a2597da24a4.js:formatted:16228:42)
    at i (runtime~index.d13ac94f0a2597da24a4.js:1:157)
    at 192154 (index.d13ac94f0a2597da24a4.js:formatted:16396:9)
    at i (runtime~index.d13ac94f0a2597da24a4.js:1:157)
    at t (index.d13ac94f0a2597da24a4.js:formatted:16993:16)
    at index.d13ac94f0a2597da24a4.js:formatted:16999:9
    at i.O (runtime~index.d13ac94f0a2597da24a4.js:1:559)
    at t (runtime~index.d13ac94f0a2597da24a4.js:1:4421)
    at 755.d13ac94f0a2597da24a4.js:2:71