Abid Ali M A wrote:
> 
> Hi,
>     I am trying to run a asn1 file on OSS compiler. I got the following
> error.
> 
> "24080_341.asn", line 9 (SS-Protocol): A0256W: 'OPERATION' is referenced,
> but is
>  not defined.
> 
> "24080_341.asn", line 9 (SS-Protocol): A0052E: 'OPERATION' is not defined.
> 
> C0043I: 1 error message issued, 1 warning or informatory message issued.
> 
> Can some one help me to decode these errors.
> 
> Here is the asn1 code which i tried to run.
> 
> SS-Protocol{ 0 identified-organization (4) etsi (0) mobileDomain (0)
> gsm-Access (2) modules (3) ss-Protocol (3) version6 (6) }
> DEFINITIONS ::=
> BEGIN
> 
> registerSS OPERATION ::= {
>    ARGUMENT
>       registerSS-Arg SEQUENCE {
>          ss-Code                 OCTET STRING (  SIZE (1 ) ),
[snip]

You are missing the IMPORTS of OPERATION.
(Actually your protocol does not look to me as if it is the original
protocol from ETSI. They would normally define IMPLICIT TAGS in the
'header' and not IMPLICIT in each type.)

/Egon

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