FTB Launcher Crash - Horizons 1.6.4 ~ Adding Updated Mods

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Hollowfires

New Member
Jul 29, 2019
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Whenever I try to update client-side mods (I've only tried client side mods) the launcher decides to crash.

For example, I tried to update NEI and the client doesn't load.

Crash report: N/A. No crash report is given. Nothing appears in console besides what is load besides the final line 'adding map 11'


any advice?

edit: yes I put the older NEI version to remove in the edit modpack option.
 
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