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Warning: Attempt to read property "changed" on bool in _node_index_node() (line 2788 of /home5/scienc90/public_html/main/modules/node/node.module).
Warning: Cannot modify header information - headers already sent by (output started at /home5/scienc90/public_html/main/includes/common.inc:2861) in drupal_send_headers() (line 1551 of /home5/scienc90/public_html/main/includes/bootstrap.inc).
Error: Attempt to assign property "content" on bool in node_build_content() (line 1398 of /home5/scienc90/public_html/main/modules/node/node.module).

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