SARA-R4/N4 series-AT Commands Manual
UBX-17003787 - R09
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AAppendix: Error result codes
Page 267 of 307
<error_class> Description <error_codes> Resulting from the
following commands
6 Socket error class BSD error codes standard All
7 Dynamic Memory error 0 All
8 Wrong FTP API usage (e.g. missing/null parameters) See the Appendix A.6.1 +UFTPC, +UFTP,
+UFTPER
10 Wrong HTTP API usage (e.g. missing/null
parameters)
See the Appendix A.6.2 +UHTTP, +UHTTPC,
+UHTTPER
11 Syntax error in high layer Protocol (wrong/missing/
corrupted data)
+UFTPC, +UFTPER,
+UHTTPC, +UHTTPER,
+USMTPC, +USMTPER
12 Unspecified error 0 All
A.6.1î™–î™–î™–î™–FTP class error codes
The following table lists the available values of <error_code> parameter of the last FTP operation provided
through +UFTPER AT command if <error_class>=1 or 8 (for more details see the AT+UFTP, AT+UFTPC
commands description).
Numeric error code Description
0 No error
1 User missing
2 Password missing
3 Account missing
4 Server missing
5 Directory name missing
6 File name missing
7 Null parameter
8 Unknown FTP command
9 Unknown file action
10 Wrong FTP state
11 Wrong parameter
12 PSD or CSD connection not established
13 No memory available for allocation
14 Reserved internal code
15 Length of given web server (address or hostname) too long or too short
16 Hostname of given web server invalid
17 Address of given web server is invalid
18 Username too long or too short
19 Password too long or too short
20 Account too long or too short
21 Operation not allowed because FTP client is busy
22 Not possible to connect to FTP server
23 Error occurred in FTP request
24 Reserved internal code
25 FFS filename pointer is null or its length is 0
26-30 Reserved internal code
31 Timeout elapsed while performing requested operation
32 Internal processing error
33 Not logged in
34 Login incorrect
35 File unavailable (not found or no access)
36 File not ready
37 Filename not allowed
38 Folder not found
39 Folder no access
40 Operation aborted by user
41 Permission denied