# Secure Webservice call failing **URL:** \ **Category:** Forum\ **Tags:** Adabas-Natural, Natural, Natural-on-Mainframes\ **Created:** [July 24, 2019, 8:35am UTC](https://techcommunity.softwareag.com/t/secure-webservice-call-failing/204748 "2019-07-24T08:35:21Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![Linda\_Hall](https://avatars.discourse-cdn.com/v4/letter/l/b19c9b/32.png) [@Linda\_Hall](https://techcommunity.softwareag.com/u/Linda_Hall)\ **Post date:** [July 24, 2019, 8:35am UTC](https://techcommunity.softwareag.com/t/secure-webservice-call-failing/204748/1 "2019-07-24T08:35:21Z")
We are trying to execute a REQUEST statement with HTTPS and authentication but it fails with the error ‘Web Server/Natural Resp Code: 0 / 8304’ Our network analyst advised they see the below error - “406 z/OS Cryptographic Services System SSL Programming SC14-7495-00 Error while reading or writing data. Explanation An I/O error was reported while the System SSL run time was reading or writing data. User response Ensure that there are no network errors. Collect a System SSL trace containing the error and then contact your service representative if the error persists.” Can you pls inform us how to resolve this error. ---
**Author:** ![system](https://global.discourse-cdn.com/techcommunity/original/3X/c/d/cd19967bb605d28a72d77eb83a1cae22f3df2eb8.svg) [@system](https://techcommunity.softwareag.com/u/system)\ **Post date:** [April 2, 2021, 3:43pm UTC](https://techcommunity.softwareag.com/t/secure-webservice-call-failing/204748/2 "2021-04-02T15:43:11Z")