Cannot create/spawn items from additional mods

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I

Ineruditus

Guest
Title Cannot create/spawn items from additional mods

Launcher Type Server

Modpack FTB Revelation

Modpack version 2.5.0

Have you modified the pack? Yes

Link to log file https://paste.feed-the-beast.com/view/8d80fe2c

Details of the issue I just created an FTB Revelation server, all was working well but I wanted to add some extra mods including Mekanism and ICBM.

I have the respective jar files for the mods to both client and server mod files.

However, when playing on the server, items from the new mods cannot be crafted and upon attempting to spawn using JEI will produce the message "There is no such item with name <mod:item>".

The mods both work perfectly in singleplayer and only cause this issue when on the server.

Any assistance is greatly appreciated :)
 
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