unmatched parentheses

I was trying to get these photo effects to work and I keep getting "unmatched parentheses 1" when trying to reload the script-fu:

Photo effects
January 6, 2008 - 15:47 — eddyverl3
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photo-effects_20.zip 27.22 KB
ev_iccii_photoeffects_246c.zip 25.48 KB

Thanks in advance