Blog:Why I can't edit pages?

Hello everyone, this is SPEEDYBEAVER, the same user who also improves pages on various wikis. But for some reason, I can't edit pages on LCW, GCW, DM&SW and AYTW (This wiki) If you confirm me, I promise doing the following actions:
 * Adding sources to pages (If they exist)
 * Improving pointers
 * And MORE