[Ecb-list] Problem with ecb-1.90

[Felix H. <Fel...@al...>]

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When calling ecb-activate i get the following error:

Signaling: (void-variable left)
  byte-code("ÅÆ!,HEÇ(B!,HHÉÊË ÌÍ(B!Î ÌÏ!Ð ÑÒ !ÓÔ!Õ Ñ։ !!&\f,HH×ØË ÌÙ(B!Î ÑÖ !&,HHÚÛË ÌÜ(B!Î ÌÝ!Ð ÑÖ !&	,HHÞßË Ìà(B!Î Óá!Õ ÑÖ !&	,HHâãË Ìä(B!Î Ìå!Õ ÑÖ !&	,HHæ	çÒè é(B\"Ë ,HLê(B!,HN Lë(B!,HP Q(B\n!)$,HHì	íÒè é(B\"Ë ,HLî(B!,HP Q(B\n!)$,HHïðÎ Ìñ(B!Ð Ìò!Õ ÑÖ !&	,HHóôË Óõ(B!Î Óö!Ð ÑÖ !&	,HH÷øË Ìù(B!Õ Ìú!Ð ÑÖ !&	,HHûüË Ìý(B!Î Ìþ!Ð Ìÿ!Õ ÑÖ !&,HH(B@