success compile gatsby files - 0.854s success load gatsby config - 0.020s success load plugins - 0.490s Loaded gatsby-source-strapi-plugin success onPreInit - 0.007s success initialize cache - 0.019s success copy gatsby files - 0.062s success Compiling Gatsby Functions - 0.109s success onPreBootstrap - 0.122s success createSchemaCustomization - 0.009s info Starting to fetch data from Strapi - /api/my-collection-types with {"pagination":{"pageSize":250,"page":1},"populate":"*"} info Starting to fetch data from Strapi - /api/simple-single-type with {"method":"GET","url":"/api/simple-single-type","params":{"populate":"*"}} info Starting to fetch data from Strapi - /api/my-collection-types with {"pagination":{"pageSize":250,"page":1},"populate":"*","filters":{"updatedAt":{" $gt":1658394828039}}} info Starting to fetch data from Strapi - /api/simple-single-type with {"method":"GET","url":"/api/simple-single-type","params":{"populate":"*","filter s":{"updatedAt":{"$gt":1658394828039}}}} success Checking for changed pages - 0.000s success source and transform nodes - 0.134s success building schema - 0.281s ERROR #11321 PLUGIN "gatsby-node.js" threw an error while running the createPages lifecycle: Cannot read properties of null (reading 'slug') 47 | 48 | createPage({ > 49 | path: post.fields.slug, | ^ 50 | component: blogPost, 51 | context: { 52 | id: post.id, File: gatsby-node.js:49:27 TypeError: Cannot read properties of null (reading 'slug') - gatsby-node.js:49 /home/gregoire/Desktop/dev/wiki-cas-new/gatsby-node.js:49:27 - Array.forEach - gatsby-node.js:44 Object.exports.createPages /home/gregoire/Desktop/dev/wiki-cas-new/gatsby-node.js:44:11 - task_queues:44 processTicksAndRejections node:internal/process/task_queues:96:5 - api-runner-node.js:44 [wiki-cas-new]/[gatsby]/src/utils/api-runner-node.js:487:16 createPages - 0.069s success createPagesStatefully - 0.043s info Total nodes: 73, SitePage nodes: 8 (use --verbose for breakdown) success Checking for changed pages - 0.000s success write out redirect data - 0.001s success Build manifest and related icons - 0.135s success onPostBootstrap - 0.138s info bootstrap finished - 3.569s success onPreExtractQueries - 0.000s success extract queries from components - 1.069s success write out requires - 0.005s success run page queries - 0.006s - 1/1 181.76/s You can now view gatsby-starter-blog in the browser. http://localhost:8000/ View GraphiQL, an in-browser IDE, to explore your site's data and schema http://localhost:8000/___graphql Note that the development build is not optimized. To create a production build, use gatsby build success Building development bundle - 3.046s success Writing page-data.json files to public directory - 0.070s - 3/8 114.12/s