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Home/ Questions/How to solve ''mapping values are not allowed in this context''?
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Lorraine Taylor
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Lorraine Taylor
Asked: May 18, 20222022-05-18T19:37:02+00:00 2022-05-18T19:37:02+00:00In: Programs

How to solve ”mapping values are not allowed in this context”?

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I need to find a solution for the mapping values are not allowed in this context problem. Could you give me some advice? Here is my code:

landingPage:
  include: false
  transitions:
  -
  condition:location
  nextState:location
 
  location:
  include:false
  transitions:
  -
  condition:excluded
  nextState:excluded
 
  excluded:
  include:false
  transitions:
  -
  condition:excluded
  nextState: excluded
  -
  condition:age
  nextState:age
yaml
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    lyytutoria Expert
    2022-06-25T01:06:40+00:00Added an answer on June 25, 2022 at 1:06 am

    The cause:

    You get the ”mapping values not allowed in this context” error because you cannot use a multiline plain scalar, like your include:false transitions, as the key to a mapping.

    Solution:

    After (:) in the value indicator, you need to put a space as the following:

    include: false
    transitions:

    Your multi-line scalar also need to be quoted:

    'include:false
    transitions':

    Another way is putting the plain scalar on a line:

    include:false transitions:

    However, there’s one thing to keep in mind. Some libraries do not accept value indicators in a simple scalar form at all, even if they aren’t followed by a space.

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  2. Maël Allard
    2022-05-25T20:55:49+00:00Added an answer on May 25, 2022 at 8:55 pm

    we need to use space before “:” Then it will excecute check the yaml script in below http://www.yamllint.com/

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