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Error codes › GTPv1-C cause

GTPv1 cause 202 Mandatory IE missing

GTPv1-C cause3GPP TS 29.060 §7.7.1

What it means

A required field was missing from the request entirely (Mandatory IE missing).

Where you see it

In the Cause IE of a GTPv1-C response (Create PDP Context, Update PDP Context…) on Gn/Gp.

What to check

Check the exact request contents against 3GPP TS 29.060 for this message type.

Check which GSN sent the response: the cause belongs to that node's decision.

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