ERROR - 2017-06-19 13:18:05 --> Severity: Notice --> Undefined variable: RequistionDetails /opt/lampp/htdocs/Git_Server/siddharth_application/application/views/alterpurchaseorder.php 138 ERROR - 2017-06-19 13:18:05 --> Severity: Notice --> Undefined variable: CostList /opt/lampp/htdocs/Git_Server/siddharth_application/application/views/alterpurchaseorder.php 139 ERROR - 2017-06-19 13:18:05 --> Severity: Notice --> Undefined variable: MaterialList /opt/lampp/htdocs/Git_Server/siddharth_application/application/views/alterpurchaseorder.php 140 ERROR - 2017-06-19 13:18:05 --> Severity: Notice --> Undefined variable: MaterialList /opt/lampp/htdocs/Git_Server/siddharth_application/application/views/alterpurchaseorder.php 186 ERROR - 2017-06-19 13:18:05 --> Severity: Notice --> Undefined variable: CostList /opt/lampp/htdocs/Git_Server/siddharth_application/application/views/alterpurchaseorder.php 214