SARA-R4/N4 series - AT Commands Manual
UBX-17003787 - R09
A Appendix: Error result codes
Page 272 of 307
Numeric error code
Description
250
Error in the MQTT Connect callback's parameters
251
Error in the MQTT Subscribe callback's parameters
252
Error in the MQTT Message callback's parameters
350
Error returned when attempting an MQTT Connection
360
Publish parameter invalid Error
361
Error returned when attempting an MQTT Publish
370
Subscribe parameter invalid Error
371
Error returned when attempting an MQTT Subscribe
380
Unsubscribe parameter invalid Error
381
Error returned when attempting an MQTT Unsubscribe
390
Error returned when attempting an MQTT Disconnect
400
Error returned when attempting an MQTT Destroy
410
Error due to PING Failure
411
Error response to IPv4 PING attempt
412
Error response to IPv6 PING attempt
500
Device Info Init Error
501
Device Info Release Error
502
Device Info Get Error
600
DSS Handle Error
601
DSS Init Error
602
DSS Get Device Name Error
603
DSS allocation Fail Error
604
DSS Get IP Address Error
700
DNS Get Server Fail Error
701
DNS Add Server Fail Error
702
DNS Client Start Fail Error
703
DNS Client Stop Fail Error
704
DNS Name Resolution Fail Error
1000
Start Data Call Fail Error
A.7.1 MQTT supplimental error codes
The following table lists the available values of <suppl_error_code> parameter of the last MQTT operation
provided through
AT command (for more details see the
commands description).
Numeric error code
Description
0
No error
-1
General error (QAPI)
-2
Invalid parameter (QAPI)
-3
Memory allocation error (QAPI)
-4
Resource allocation error (QAPI)
-6
Operation busy (QAPI)
-7
Entry not found (QAPI)
-8
Feature not supported (QAPI)
-9
Operation timed out (QAPI)
-10
Out of bounds (QAPI)
-11
Bad Payload (QAPI)
-12
Entry already exists (QAPI)
-20001
Error in own certificate (QAPI MQTT)
-20002
Error with SSL connection (QAPI MQTT)
-20003
Handshake must be completed before the operation can be attempted
(QAPI MQTT)
-20004
Received SSL warning alert message (QAPI MQTT)
-20005
Received SSL fatal alert message (QAPI MQTT)
-20006
Handshake in progress (QAPI MQTT)