{"id":28544,"date":"2020-07-31T12:21:37","date_gmt":"2020-07-31T12:21:37","guid":{"rendered":"https:\/\/www.greytrix.com\/blogs\/sageaccpacerp\/?p=28544"},"modified":"2025-07-23T06:26:16","modified_gmt":"2025-07-23T06:26:16","slug":"attempted-to-read-or-write-protected-memory","status":"publish","type":"post","link":"https:\/\/www.greytrix.com\/blogs\/sageaccpacerp\/2020\/07\/31\/attempted-to-read-or-write-protected-memory\/","title":{"rendered":"Attempted to read or write protected memory"},"content":{"rendered":"\n

The use of Sage 300 Advantage API is increasing day by day and there is an ample requirement of the integrations, import, export that uses it. Developers are now making maximum use of Advantage API compared to COMAPI and XAPI for external programs. XAPI requires separate licenses so end user tries to avoid an additional expense which eliminates the use of XAPI. When we create the utility with Advantage API, developer makes use of the classes and methods that are similar to the COMAPI or XAPI as it is handy. <\/p>\n\n\n\n

New Stuff: <\/strong>Cannot access database (error=49153) in Sage 300 while accessing the Company<\/a><\/p>\n\n\n\n

In this blog, we\nwill be looking into an error generated by Sage 300 using Advantage\nAPI in C# .Net.<\/p>\n\n\n\n

\nAs a developer, we all are aware that CS Query\/CS0120 View is most\nimportant and faster for reading data from Sage 300 tables. There can\nbe situations where our program fails and it becomes difficult to\nidentify the exact cause of the error by its description. So,\ndebugging process makes it easier to track the line of code that\nthrows an issue(s) if any. One of the reason for an error \u201cAttempted\nto read or write protected memory. This is often an indication that\nother memory is corrupt.\u201d is invalid use of \u201clockRecord\u201d\nparameter passed to the function Fetch()<\/strong>\nof View object. \n<\/p>\n\n\n\n

In our example of reading customer data using CS0120 view, we get an error when reading the data from the object whose Fetch()<\/strong> function has already returned true and we are inside our while loop.<\/p>\n\n\n\n

\"While<\/a><\/figure>\n\n\n\n

Below are the exception details displayed in QuickWatch.<\/p>\n\n\n\n

\"Exception<\/a><\/figure>\n\n\n\n

In order to get the program working and\nhandling the issue, we need to change the lockRecord\nparameter to false i.e.\ncustomers.Fetch(<\/strong>false<\/strong>).<\/strong><\/p>\n\n\n\n

So, this can be helpful when the developer is stuck in the exception and becomes very cumbersome to track the cause. Developer\/Programmer can proceed with their further development hassle free.<\/p>\n\n\n\n

About Us<\/strong><\/span><\/p>\n\n\n\n

Greytrix<\/a> – a globally recognized and one of the\noldest Sage Gold Development Partner is a one-stop solution provider for Sage\nERP and Sage CRM organizational needs. Being acknowledged and rewarded for\nmulti-man years of experience, we bring complete end-to-end assistance for your\ntechnical consultations, product customizations, data migration, system\nintegrations, third party add-on development and implementation competence.<\/p>\n\n\n\n

Greytrix<\/a> offers unique GUMU™ integrated solutions of  Sage 300 with Sage CRM,<\/a> Salesforce.com<\/a>, Dynamics 365 CRM and Magento eCommerce<\/a> along with Sage 300 Migration from Sage 50 US, Sage 50 CA, Sage PRO, QuickBooks, Sage Business Vision and Sage Business Works<\/a>. We also offer best-in-class Sage 300 customization and development services<\/a> and integration services for applications such as POS | WMS | Payroll | Shipping System | Business Intelligence | eCommerce for Sage 300 ERP<\/a> and for Sage 300c development services we offer, upgrades of older codes and screens to new web screens, latest integrations using sData and web services  to Sage business partners, end users and Sage PSG worldwide. Greytrix offers 20+ addons for Sage 300 to enhance productivity such as GreyMatrix<\/a>, Document Attachment<\/a>, Document Numbering<\/a>, Auto-Bank Reconciliation<\/a>, Purchase Approval System<\/a>, Three way PO matching<\/a>, Bill of Lading<\/a> and VAT for Middle East<\/a>. The GUMU™ integration for Dynamics 365 CRM \u2013 Sage ERP is listed on Microsoft Appsource with easy implementation package.<\/p>\n\n\n\n

For more details on Sage 300 and Sage 300c Services, please\ncontact us at accpac@greytrix.com<\/a>,\nWe will like to hear from you.<\/p>\n","protected":false},"excerpt":{"rendered":"

The use of Sage 300 Advantage API is increasing day by day and there is an ample requirement of the integrations, import, export that uses it. Developers are now making maximum use of Advantage API compared to COMAPI and XAPI for external programs. XAPI requires separate licenses so end user tries to avoid an additional\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,5],"tags":[3273,3536,3478,3537,3476,3534,3535,3538,2357],"class_list":["post-28544","post","type-post","status-publish","format-standard","hentry","category-sage-accpac","category-accpac-sdk","tag-accpac-advantage","tag-accpac-advantage-comsvr-interop","tag-advantage-api","tag-advantage-dll","tag-c","tag-cs0120","tag-csquery","tag-lockrecord","tag-sage-300-erp"],"yoast_head":"\nFix: Attempted to Read or Write Protected Memory<\/title>\n<meta name=\"description\" content=\"Learn how to resolve the "Attempted to read or write protected memory" error in Sage 300. Step-by-step guide to troubleshoot and fix this issue.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.greytrix.com\/blogs\/sageaccpacerp\/2020\/07\/31\/attempted-to-read-or-write-protected-memory\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fix: Attempted to Read or Write Protected Memory\" \/>\n<meta property=\"og:description\" content=\"Learn how to resolve the "Attempted to read or write protected memory" error in Sage 300. 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