{"id":286424,"date":"2023-05-30T20:25:54","date_gmt":"2023-05-30T20:25:54","guid":{"rendered":"\/forum\/forums\/topic\/udf-error-message\/"},"modified":"2023-05-30T20:28:15","modified_gmt":"2023-05-30T20:28:15","slug":"udf-error-message","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/udf-error-message\/","title":{"rendered":"UDF Error Message"},"content":{"rendered":"<p>Hello,<\/p>\n<p>I am trying to compile and execute this UDF code to initialize an array, but I am receving the following error message: <em><strong>Chip: invalid opcode 0: pc=21<\/strong><\/em><\/p>\n<p>My UDF code is below:<\/p>\n<pre class=\"c-mrkdwn__pre\" data-stringify-type=\"pre\">#include \"udf.h\"\n\nint grid[2][2][10];\n\nDEFINE_ON_DEMAND(ini_all) {\n     int i, j, m;\n     for (i = 0; i &lt; 2; i ++) {\n           for (j = 0; j &lt; 2; j ++) {\n                for (m = 0; m &lt; 10; m ++) {\n\t\t\t\t\t\tprintf(\"At index %d %d %d \\n\", i, j, m);\n\t\t\t\t\t\tgrid[i][j][m] = 3;\n                }\n           }\n     }\n} <\/pre>\n<p>What does this error message mean, and how can I resolve it? I can easily execute the same for loop structure using gcc compilers, but it just does not seem to work in ANSYS.<\/p>\n<p>Thank you!<\/p>\n","protected":false},"template":"","class_list":["post-286424","topic","type-topic","status-closed","hentry","topic-tag-fluent","topic-tag-udf","topic-tag-udf-error"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello,I am trying to compile and execute this UDF code to initialize an array, but I am receving the following error message: Chip: invalid opcode 0: pc=21My UDF code is below:#include &quot;udf.h&quot; int grid[2][2][10]; DEFINE_ON_DEMAND(ini_all) { int i, j, m; for (i = 0; i &lt; 2; i ++) { for (j = 0; j\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/udf-error-message\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"UDF Error Message | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello,I am trying to compile and execute this UDF code to initialize an array, but I am receving the following error message: Chip: invalid opcode 0: pc=21My UDF code is below:#include &quot;udf.h&quot; 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