GraphQL Error Unknown field `allMarkdownRemark` on type `Query` about gatsby-serif-theme HOT 3 CLOSED

 $ gatsby develop
success open and validate gatsby-configs — 0.008 s
error
Your plugins must export known APIs from their gatsby-node.js.
The following exports aren't APIs. Perhaps you made a typo or your plugin is outdated?

See https://www.gatsbyjs.org/docs/node-apis/ for the list of Gatsby Node APIs

- The plugin "[email protected]" is exporting a variable named "createSchemaCustomization" which isn't an API.

- The plugin "[email protected]" is exporting a variable named "createSchemaCustomization" which isn't an API.

- The plugin "[email protected]" is exporting a variable named "createSchemaCustomization" which isn't an API.
success load plugins — 0.281 s
success onPreInit — 0.200 s
success delete html and css files from previous builds — 0.013 s
success initialize cache — 0.008 s
success copy gatsby files — 0.057 s
success onPreBootstrap — 0.007 s
success source and transform nodes — 0.095 s
success building schema — 0.207 s
error gatsby-node.js returned an error


  TypeError: Cannot read property 'services' of undefined




success createPages — 0.045 s
success createPagesStatefully — 0.048 s
success onPreExtractQueries — 0.001 s
success update schema — 0.100 s
error GraphQL Error Unknown field `allMarkdownRemark` on type `Query`

  file: /Users/kobit/Dropbox (Tigase)/projects/tigase/tigase-net-gastby/src/pages/index.js

   1 |
   2 |   query {
>  3 |     allMarkdownRemark(
     |     ^
   4 |       filter: { fileAbsolutePath: { regex: "/services/" } }
   5 |       sort: { fields: [frontmatter___date], order: DESC }
   6 |     ) {
   7 |       edges {
   8 |         node {
   9 |           id
  10 |           frontmatter {
  11 |             path
  12 |             title
  13 |             date(formatString: "DD MMMM YYYY")

(node:7797) DeprecationWarning: Passing lineNumber and colNumber is deprecated to @babel/code-frame. Please use

success run graphql queries — 0.022 s — 8/8 468.66 queries/second
success write out page data — 0.006 s
success write out redirect data — 0.004 s
success onPostBootstrap — 0.001 s

info bootstrap finished - 3.943 s
 DONE  Compiled successfully in 2559ms                                                                              8:12:55 PM
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You can now view gatsby-serif-theme in the browser.
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  http://localhost:8000/
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View GraphiQL, an in-browser IDE, to explore your site's data and schema
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  http://localhost:8000/___graphql
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To create a production build, use gatsby build
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ℹ ｢wdm｣:
ℹ ｢wdm｣: Compiled successfully.
 WAIT  Compiling...                                                                                                 8:12:55 PM
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ℹ ｢wdm｣: Compiling...
 DONE  Compiled successfully in 35ms                                                                                8:12:55 PM
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ℹ ｢wdm｣:
ℹ ｢wdm｣: Compiled successfully.