sgNB Addition Preparation - radio network cause: tDCprep-expiry (30)

Hi Experts.
Does any vendor have a formula/counter to capture tDCprep-expiry (30) in sgNB Addition Preparation Success Rate?
radio network cause: tDCprep-expiry (30)
This is related to DSS(LTE+NR) if CRS rate matching is missing in IE of UE capability this timer will expire.

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you can check below KPI
NR_5004 5G SgNB addition preparation success ratio
X2_SGNB_ADD_REQ_REJ_SENT
M8080C13 scg_add_completion_fail_t
M55112C01501 (Number of SGNB ADDITION REQUEST REJECT due to missing UE Capabilities
NR_5020c 5G NSA call accessibility