Error message

Warning: hash_equals(): Expected user_string to be a string, null given in CRM_Contact_BAO_Contact_Utils::validChecksum() (line 232 of /home/aspt/domains/civicrm.aspt.net/public_html/sites/all/modules/civicrm/CRM/Contact/BAO/Contact/Utils.php).

Membership Directory - MARCCUS ALVES

First Name
MARCCUS
Last Name
ALVES
Street Address (Main)
Av. Prof. Moraes Rego s.n., CDU
Supplemental Address 1 (Main)
Univ Federal de Pernambuco
Supplemental Address 2 (Main)
Dept Botanica
City (Main)
State (Main)
PE
Postal Code (Main)
Country (Main)
Phone and Extension-Phone (Main)
+55-11-3818-7542
Phone and Extension-Fax (Main)
Research Interests
Monocots, sedges & bromeliads.