# ERROR CODE This document describes the errors that neuron will reply to sender when calling http api and mqtt api. ## api request error codes * 1000 generic error * 1001 internal error * 1002 request body invalid * 1003 request param invalid * 1004 missing token * 1005 decoding token error * 1006 expired token * 1007 validate token error * 1008 invalid token * 1009 user or password error * 1010 is busy * 1011 file not exist * 1012 password length too short or too long * 1013 duplicate password * 1014 command execution failed * 1015 invalid ip address * 1016 ip address in use * 1017 request body too large ## add/del/update node/tag/plugin/group error codes * 2002 node exist * 2003 node not exist * 2004 node setting invalid * 2005 node setting not found * 2006 node not ready * 2007 node is running * 2008 node not running * 2009 node is stopped * 2010 node name too long * 2011 node not allow delete * 2012 node not allow subscribe * 2013 node not allow update * 2014 node not allow map * 2015 node name is empty * 2101 group already subscribed * 2102 group not subscribe * 2103 group not allow * 2104 group exist * 2105 group parameter invalid * 2106 group not exist * 2107 group name too long * 2108 group exceeds the maximum number under the same node * 2201 tag not exist * 2202 tag name conflict * 2203 tag attribute not support * 2204 tag type not support * 2205 tag address format invalid * 2206 tag name too long * 2207 tag address too long * 2208 tag description too long * 2209 tag precision invalid * 2210 tag exist * 2301 library not found * 2302 library info invalid * 2303 library name conflict * 2304 library failed to open * 2305 libraray module invalid * 2306 system plugin cannot be deleted * 2307 plugin not allow create instance * 2308 plugin arch not support * 2309 plugin in using * 2310 plugin add faily * 2311 plugin module already exit * 2312 plugin module not exist * 2313 plugin module kind no support * 2314 plugin module version no match * 2315 plugin name no conform * 2316 plugin c lib no match * 2317 plugin update failed * 2400 license not found * 2401 license invalid * 2402 license expired * 2403 plugin disabled by license * 2404 reach licensed max number of nodes * 2405 reach licensed max number of tags per node * 2406 license hardware token not match * 2407 license detect bad clock * 2408 license module invalid * ~~2500 template already exists (deprecated)~~ * ~~2501 template not found (deprecated)~~ * ~~2502 template name too long (deprecated)~~ ## plugin common error codes * 3000 plugin read failure * 3001 plugin write failure * 3002 plugin disconnected * 3003 plugin tag not allow read * 3004 plugin tag not allow write * 3007 plugin tag type mismatch * 3008 plugin tag value expired * 3009 plugin protocol decode failure * 3010 plugin not running * 3011 plugin tag not ready * 3012 plugin packet out of order * 3013 plugin name too long * 3014 plugin not found * 3015 plugin device not response * ~~3016 plugin does not support template (deprecated)~~ * 3017 plugin does not support write tags * 3018 plugin does not support sync reading * 3019 plugin does not support requested operation * 3020 plugin tag value out of range or invalid * 3021 plugin does not support scan tags * 3022 plugin does not support test reading ## FILE error codes * 4100 string too long * 4101 file open failure * 4102 file read failure * 4103 file write failure ## DATALAYERS error codes * 4200 datalayers error * 4201 datalayers init failed * 4202 datalayers connect failed * 4203 datalayers client is null ## OPCUA error codes * 10001 opcua tag does not exist * 10002 opcua connection configuration error * 10003 opcua access timeout * 10004 opcua tag is not readable * 10005 opcua tag is not writable * 10006 opcua tag is not supported * 10007 opcua Error * 10008 The value is bad but no specific reason is known * 10009 There was nothing to do because the client passed a list of operations with no elements * 10010 The request could not be processed because it specified too many operations * 10011 User does not have permission to perform the requested operation * 10012 The timestamps to return parameter is invalid * 10013 Communication with the data source is defined, but not established, and there is no last known value available * 10014 The syntax of the node id is not valid * 10015 The node id refers to a node that does not exist in the server address space * 10016 The attribute is not supported for the specified Node * 10017 The syntax of the index range parameter is invalid * 10018 No data exists within the range of indexes specified * 10019 The data encoding is invalid * 10020 The server does not support the requested data encoding for the node * 10021 The access level does not allow reading or subscribing to the Node * 10022 The access level does not allow writing to the Node * 10023 The value was out of range * 10024 The max age parameter is invalid * 10025 The server does not support writing the combination of value, status and timestamps provided * 10026 The value supplied for the attribute is not of the same type as the attribute's value * 10027 The operation is not permitted over the current secure channel ## S7COMM error codes * 10101 s7comm hardware error * 10103 s7comm accessing the object not allowed * 10105 s7comm invalid address * 10106 s7comm data type not supported * 10107 s7comm data type inconsistent * 10110 s7comm object not exist * 10150 s7comm cotp disconnected * 10151 s7comm disconnected * 10152 s7comm no value * 10153 s7comm value too short ## KNX error codes * 10200 knx no devices ## NONA11 * 10400 nona11 invalid address ## FINS error codes * 10500 fins disconnected * 10501 fins error * 10502 fins local node error * 10503 fins dest node error * 10504 fins communication controller error * 10505 fins not executable * 10506 fins routing error * 10507 fins command format error * 10508 fins parameter error * 10509 fins read not possible * 10510 fins write not possible * 10511 fins not executable in current mode * 10512 fins no unit * 10513 fins start/stop not possible * 10514 fins unit error * 10515 fins command error * 10516 fins access error * 10517 fins abort ## FOCAS error codes * 10600 focas error * 10601 focas program file not found * 10602 focas program file transferring * 10603 focas program file type not support * 10604 focas program file name format error ## EtherNet/IP error codes * 10701 - 10744 EtherNet/IP error * 10797 EtherNet/IP no CIP connection * 10798 EtherNet/IP data type mismatch * 10799 EtherNet/IP no session ## Profinet IO error codes * 10800 Profinet IO unidentified * 10801 Profinet IO not connected * 10802 Profinet IO not ready * 10803 Profinet IO not param end * 10804 Profinet IO not DWRITE * 10805 Profinet IO wait HELLO