Create operational error file (#2379)

* created operational error file * Update content/roadmaps/107-nodejs/content/103-nodejs-error-handling/103-error-types/operational errors Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>
2 years ago · 6b72d95e4b
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--- a/content/roadmaps/107-nodejs/content/103-nodejs-error-handling/103-error-types/operational
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+# Operational Errors
+
+Operational errors represent run-time problems experienced by correctly written programs. they are not really bugs but are problems attached to something else in our program. Examples of such errors can be a failure to connect to a database, failure to resolve hostname, request-timeout, invalid input from the user, and so on.