# Sms send:-2 **URL:** \ **Category:** Open AT\ **Created:** [March 16, 2007, 11:23am UTC](https://forum.sierrawireless.com/t/sms-send-2/1186 "2007-03-16T11:23:16Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![embeddedOne](https://avatars.discourse-cdn.com/v4/letter/e/919ad9/32.png) [@embeddedOne](https://forum.sierrawireless.com/u/embeddedOne)\ **Post date:** [March 16, 2007, 11:23am UTC](https://forum.sierrawireless.com/t/sms-send-2/1186/1 "2007-03-16T11:23:16Z")
What is the meaning of this error ?. I searched thru documents and all i can find was sms service, but without those error. Anyway, what does this stands for ? ---
**Author:** ![colin-tfe](https://avatars.discourse-cdn.com/v4/letter/c/cdc98d/32.png) [@colin-tfe](https://forum.sierrawireless.com/u/colin-tfe)\ **Post date:** [March 16, 2007, 11:37am UTC](https://forum.sierrawireless.com/t/sms-send-2/1186/2 "2007-03-16T11:37:13Z")
Hi, it is ADL\_RET\_ERR\_PARAM according to ADL user guide… so parameter error… ---
**Author:** ![awneil](https://avatars.discourse-cdn.com/v4/letter/a/49beb7/32.png) [@awneil](https://forum.sierrawireless.com/u/awneil)\ **Post date:** [March 16, 2007, 12:06pm UTC](https://forum.sierrawireless.com/t/sms-send-2/1186/3 "2007-03-16T12:06:17Z")
> [@embeddedOne](#): > > I searched thru documents and all i can find was sms service, but without those error. So you missed the section at the end of the ADL User Guide titled “Error Codes”, then? 😒 The Error code values, names, and descriptions are listed there! In fact, many ADL API calls can return -2 (ADL\_RET\_ERR\_PARAM) - not just the SMS Service. See the individual API Call descriptions for details… ---
**Author:** ![embeddedOne](https://avatars.discourse-cdn.com/v4/letter/e/919ad9/32.png) [@embeddedOne](https://forum.sierrawireless.com/u/embeddedOne)\ **Post date:** [March 16, 2007, 12:13pm UTC](https://forum.sierrawireless.com/t/sms-send-2/1186/4 "2007-03-16T12:13:52Z")
I was searching in the ADL\_development \_Guide. Sorry 😊