i am using field collection and displaying collection fields in views.... when i am trying to compute sum.. it is giving error saying that
"SQLSTATE[42S22]: Column not found: 1054 Unknown column 'field_data_field_instalment.field_instalment_value' in 'field list'"... help me plzz..

Comments

I am thinking of creating another field (computed field) outside field collectoin (unlimited #) to store the total value and then apply view to sum that new computed field.

Seems this task is duplicate of https://drupal.org/node/1426164
Test please my patch there https://drupal.org/comment/8342915#comment-8342915