[SOLVED] Cannot get service reference for transformation service of type JSONPATH after update to openhab 2.3

Setup, Configuration and Use Installation
1

Hello Community,

i have updated my openhab 2.2 to 2.3, now i get these error:

Cannot get service reference for transformation service of type JSONPATH

i have these items with jsonpath

MQTT_Steckerleiste_Leistung_GF_Living changed from NULL to JSONPATH($.ENERGY.Power)

\Maybe someone can help me.

thank you

2

This error should go away after 1 service restart
if it doesn’t: check if the addon is installed and/or Clear the Cache

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3

Thank you, i have checked all services,
there was no one installed after the update. i have installed all services i had in version 2.2.
MISC, Persistence and Transformations were all uninstalled with the update to 2.3, only the bindings and the user interfaces stayed installed.

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