ISSUE SUMMARY:
Trending hashtags module gives this error:

Illegal mix of collations for operation ' IN ' SQL=SELECT * FROM `#__community_hashtag` WHERE tag IN ('�#YayHamlet','I#t',';#duett','#seinmuss','#katjaroger','#gegenFremdenhass','#Radiosonntag','#weltuntergang','#Zombie','#radiosonntag','#studioumbau','#inErinnerungenschwelgen','#Besten',';#Gänsehaut','#Islinghton','#TeamMáté','#AusAktuellemAnlass',';#TeamMáté','>#OutofOz','#Nacht','#ntlive','#4freude')

Hi,

I cant replicate this issue at demo site:

Try some hashtags with unusual characters like öäü or áé

Hi,

here the result:

Maybe its a problem regarding the mySQL database. I will not use the module for now as we don't have that many hashtags. Thank you for your time.