php 5.3 and pgapi

after upgrading php from 5.2.x to 5.3.x we have


Type: php
Parameter 1 to theme_pgapi_payment() expected to be a reference, value given in /usr/home/public_html/includes/theme.inc on line 656.
Backtrace:
call_user_func_array(string)[theme.inc:656];
.theme(string)[common.inc:2907];
..drupal_render(string)[form.inc:611];
...drupal_render_form(string)[form.inc:147];
....drupal_get_form(a:2:{i:0;s:13:"pgapi_payment";i:1;O:8:"stdClass":13:{s:5:"txnid";s:3:"110";s:3:"uid";s:1:"1";s:5:"email";s:19:"my@email";s:5:"title";s:60:"счёт на оплату № 71 ";s:6:"amount";s:6:"801.00";s:4:"type";s:7:"firepay";s:6:"method";s:0:"";s:11:"description";s:44:"Purchase for site . Invoice 71, transaction ";s:5:"extra";a:2:{s:3:"nid";s:3:"237";s:7:"session";s:26:"j0c3016o8hjh83l2uij4ra3ok1";}s:6:"status";s:1:"1";s:8:"workflow";s:1:"1";s:7:"created";s:10:"1288804561";s:7:"changed";s:10:"1288804561";}})[?:?];
.....call_user_func_array(a:2:{i:0;s:15:"drupal_get_form";i:1;a:2:{i:0;s:13:"pgapi_payment";i:1;O:8:"stdClass":13:{s:5:"txnid";s:3:"110";s:3:"uid";s:1:"1";s:5:"email";s:19:"my@email";s:5:"title";s:60:"счёт на оплату № 71 ";s:6:"amount";s:6:"801.00";s:4:"type";s:7:"firepay";s:6:"method";s:0:"";s:11:"description";s:44:"Purchase for site . Invoice 71, transaction ";s:5:"extra";a:2:{s:3:"nid";s:3:"237";s:7:"session";s:26:"j0c3016o8hjh83l2uij4ra3ok1";}s:6:"status";s:1:"1";s:8:"workflow";s:1:"1";s:7:"created";s:10:"1288804561";s:7:"changed";s:10:"1288804561";}}})[menu.inc:348];
......menu_execute_active_handler(a:0:{})[index.php:21];
.......index.php

and second error

Type: php
Parameter 2 to pg_webmoney_pgapi_transaction() expected to be a reference, value given in /usr/home/naolimp.ru/public_html/includes/module.inc on line 462.
Backtrace:
call_user_func_array(a:2:{i:0;s:29:"pg_webmoney_pgapi_transaction";i:1;a:2:{i:2;s:1:"1";i:3;O:8:"stdClass":14:{s:5:"txnid";s:3:"110";s:3:"uid";s:1:"1";s:5:"email";s:19:"my@email";s:5:"title";s:60:"счёт на оплату № 71 ";s:6:"amount";s:6:"801.00";s:4:"type";s:7:"firepay";s:6:"method";s:11:"pg_webmoney";s:11:"description";s:44:"Purchase for site . Invoice 71, transaction ";s:5:"extra";a:2:{s:3:"nid";s:3:"237";s:7:"session";s:26:"j0c3016o8hjh83l2uij4ra3ok1";}s:6:"status";s:1:"1";s:8:"workflow";s:1:"1";s:7:"created";s:10:"1288804561";s:7:"changed";s:10:"1288804561";s:6:"is_new";b:0;}}})[module.inc:462];
.module_invoke(a:4:{i:0;s:11:"pg_webmoney";i:1;s:17:"pgapi_transaction";i:2;s:1:"1";i:3;O:8:"stdClass":14:{s:5:"txnid";s:3:"110";s:3:"uid";s:1:"1";s:5:"email";s:19:"my@email";s:5:"title";s:60:"счёт на оплату № 71 ";s:6:"amount";s:6:"801.00";s:4:"type";s:7:"firepay";s:6:"method";s:11:"pg_webmoney";s:11:"description";s:44:"Purchase for site . Invoice 71, transaction ";s:5:"extra";a:2:{s:3:"nid";s:3:"237";s:7:"session";s:26:"j0c3016o8hjh83l2uij4ra3ok1";}s:6:"status";s:1:"1";s:8:"workflow";s:1:"1";s:7:"created";s:10:"1288804561";s:7:"changed";s:10:"1288804561";s:6:"is_new";b:0;}})[pgapi.module:296];
..pgapi_transaction_save(a:1:{i:0;O:8:"stdClass":14:{s:5:"txnid";s:3:"110";s:3:"uid";s:1:"1";s:5:"email";s:19:"my@email";s:5:"title";s:60:"счёт на оплату № 71 ";s:6:"amount";s:6:"801.00";s:4:"type";s:7:"firepay";s:6:"method";s:11:"pg_webmoney";s:11:"description";s:44:"Purchase for site . Invoice 71, transaction ";s:5:"extra";a:2:{s:3:"nid";s:3:"237";s:7:"session";s:26:"j0c3016o8hjh83l2uij4ra3ok1";}s:6:"status";s:1:"1";s:8:"workflow";s:1:"1";s:7:"created";s:10:"1288804561";s:7:"changed";s:10:"1288804561";s:6:"is_new";b:0;}})[pg_webmoney.module:268];
...pg_webmoney_process_form(a:2:{i:0;a:1:{s:6:"wallet";s:3:"WMR";}i:1;O:8:"stdClass":14:{s:5:"txnid";s:3:"110";s:3:"uid";s:1:"1";s:5:"email";s:19:"my@email";s:5:"title";s:60:"счёт на оплату № 71 ";s:6:"amount";s:6:"801.00";s:4:"type";s:7:"firepay";s:6:"method";s:11:"pg_webmoney";s:11:"description";s:44:"Purchase for site . Invoice 71, transaction ";s:5:"extra";a:2:{s:3:"nid";s:3:"237";s:7:"session";s:26:"j0c3016o8hjh83l2uij4ra3ok1";}s:6:"status";s:1:"1";s:8:"workflow";s:1:"1";s:7:"created";s:10:"1288804561";s:7:"changed";s:10:"1288804561";s:6:"is_new";b:0;}})[pg_webmoney.module:214];
....pg_webmoney_pgapi_gw(a:3:{i:0;s:12:"process form";i:1;O:8:"stdClass":14:{s:5:"txnid";s:3:"110";s:3:"uid";s:1:"1";s:5:"email";s:19:"my@email";s:5:"title";s:60:"счёт на оплату № 71 ";s:6:"amount";s:6:"801.00";s:4:"type";s:7:"firepay";s:6:"method";s:11:"pg_webmoney";s:11:"description";s:44:"Purchase for site . Invoice 71, transaction ";s:5:"extra";a:2:{s:3:"nid";s:3:"237";s:7:"session";s:26:"j0c3016o8hjh83l2uij4ra3ok1";}s:6:"status";s:1:"1";s:8:"workflow";s:1:"1";s:7:"created";s:10:"1288804561";s:7:"changed";s:10:"1288804561";s:6:"is_new";b:0;}i:2;a:1:{s:6:"wallet";s:3:"WMR";}})[?:?];
.....call_user_func_array(a:2:{i:0;s:20:"pg_webmoney_pgapi_gw";i:1;a:3:{i:2;s:12:"process form";i:3;O:8:"stdClass":14:{s:5:"txnid";s:3:"110";s:3:"uid";s:1:"1";s:5:"email";s:19:"my@email";s:5:"title";s:60:"счёт на оплату № 71 ";s:6:"amount";s:6:"801.00";s:4:"type";s:7:"firepay";s:6:"method";s:11:"pg_webmoney";s:11:"description";s:44:"Purchase for site . Invoice 71, transaction ";s:5:"extra";a:2:{s:3:"nid";s:3:"237";s:7:"session";s:26:"j0c3016o8hjh83l2uij4ra3ok1";}s:6:"status";s:1:"1";s:8:"workflow";s:1:"1";s:7:"created";s:10:"1288804561";s:7:"changed";s:10:"1288804561";s:6:"is_new";b:0;}i:4;a:1:{s:6:"wallet";s:3:"WMR";}}})[module.inc:462];
......module_invoke(a:5:{i:0;s:11:"pg_webmoney";i:1;s:8:"pgapi_gw";i:2;s:12:"process form";i:3;O:8:"stdClass":14:{s:5:"txnid";s:3:"110";s:3:"uid";s:1:"1";s:5:"email";s:19:"my@email";s:5:"title";s:60:"счёт на оплату № 71 ";s:6:"amount";s:6:"801.00";s:4:"type";s:7:"firepay";s:6:"method";s:11:"pg_webmoney";s:11:"description";s:44:"Purchase for site . Invoice 71, transaction ";s:5:"extra";a:2:{s:3:"nid";s:3:"237";s:7:"session";s:26:"j0c3016o8hjh83l2uij4ra3ok1";}s:6:"status";s:1:"1";s:8:"workflow";s:1:"1";s:7:"created";s:10:"1288804561";s:7:"changed";s:10:"1288804561";s:6:"is_new";b:0;}i:4;a:1:{s:6:"wallet";s:3:"WMR";}})[pgapi.module:453];
.......pgapi_payment_submit(string)[form.inc:776];
........form_execute_handlers(string)[form.inc:416];
.........drupal_process_form(string)[form.inc:119];
..........drupal_get_form(a:2:{i:0;s:13:"pgapi_payment";i:1;O:8:"stdClass":13:{s:5:"txnid";s:3:"110";s:3:"uid";s:1:"1";s:5:"email";s:19:"my@email";s:5:"title";s:60:"счёт на оплату № 71 ";s:6:"amount";s:6:"801.00";s:4:"type";s:7:"firepay";s:6:"method";s:0:"";s:11:"description";s:44:"Purchase for site . Invoice 71, transaction ";s:5:"extra";a:2:{s:3:"nid";s:3:"237";s:7:"session";s:26:"j0c3016o8hjh83l2uij4ra3ok1";}s:6:"status";s:1:"1";s:8:"workflow";s:1:"1";s:7:"created";s:10:"1288804561";s:7:"changed";s:10:"1288804561";}})[?:?];
...........call_user_func_array(a:2:{i:0;s:15:"drupal_get_form";i:1;a:2:{i:0;s:13:"pgapi_payment";i:1;O:8:"stdClass":13:{s:5:"txnid";s:3:"110";s:3:"uid";s:1:"1";s:5:"email";s:19:"my@email";s:5:"title";s:60:"счёт на оплату № 71 ";s:6:"amount";s:6:"801.00";s:4:"type";s:7:"firepay";s:6:"method";s:0:"";s:11:"description";s:44:"Purchase for site . Invoice 71, transaction ";s:5:"extra";a:2:{s:3:"nid";s:3:"237";s:7:"session";s:26:"j0c3016o8hjh83l2uij4ra3ok1";}s:6:"status";s:1:"1";s:8:"workflow";s:1:"1";s:7:"created";s:10:"1288804561";s:7:"changed";s:10:"1288804561";}}})[menu.inc:348];
............menu_execute_active_handler(a:0:{})[index.php:21];
.............index.php

payment not processed by WM gateway, where is an error:
Причина неоплаты: продавец не дал разрешение на выполнение операции : 801.00 This number does not match the original price0 110

please, fix this issue