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jvdlinden
Kudo Commander
Kudo Commander

Unexpected character encountered while parsing value: E. Path

Hello everybody,

 

Before going into the details of my issue, I have looked into other posts on this community but I could not find the answer there.

I have a quite simple flow.

 

When a new news post has been created on a specific SharePoint site, the flow should trigger.

In the end, the flow should post a message into a Teams channel and it should mention all the team members for visibility.

 

How I do that?

It triggers when a new item has been created. 

trigger.png

A trigger condition is specified to only start when the PromotedState value equals 2.

 

@equals(triggerBody()?['PromotedState'],2)

 

So far so good. The trigger works fine.

 

Next step, retrieving the Microsoft 365 group members of the team where I will post a message, and putting these members in a string type variable:

groupmembers.png

 

Still working as expected.

Last step, posting the message.

PostMessage.png

This steps results in an error.

 

Error details

 

Unexpected character encountered while parsing value: E. Path '', line 0, position 0.
   at Newtonsoft.Json.JsonTextReader.ParseValue()
   at Newtonsoft.Json.Linq.JArray.Load(JsonReader reader, JsonLoadSettings settings)
   at Newtonsoft.Json.Linq.JArray.Parse(String json, JsonLoadSettings settings)

 

 

Please find the body of the Post a Message (Teams) action card below.

I checked the body of the message and put it in jsonlint, no validation errors.

I hope that someone could help me understand what's going on here!

 

Thanks a lot.

Joost

 

Body

 

{
  "recipient": {
    "groupId": "0481xxxx-xxxx-xxxx-xxxx-xxxx3a7d055a",
    "channelId": "19:xxxxxxxxxxxxxxxxxxxxf4a6d944xxxx@thread.tacv2"
  },
  "messageBody": "<p>\n<b>Er staat directienieuws voor je klaar!</b><br>\n<a href=\"https://orgname.sharepoint.com/sites/Directienieuws/SitePages/Directienieuws-week-6---2021.aspx\">Klik hier</a> om het nieuwsbericht te openen.</p>\n<at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at><at>username@org.nl</at>"
}

 

13 REPLIES 13
Pstork1
Most Valuable Professional
Most Valuable Professional

There are some \n newline characters embedded in the body of the message.  Have you tried removing those and replacing them with <br> since the formatting is HTML?



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Hi @Pstork1 thanks for your effort,

 

Unfortunately it does not help.

At least I found out that it has to do with the string type variable. If I remove it, all works fine. This is the part where all the email addresses are inserted.

 

Any suggestions are welcome! 🙂

 

Edit1: I have done some more testing. Instead of using 33 email addresses, I tried with just 2. With 2 it works fine. Looks like it has something to do with the length?

 

Hi @jvdlinden ,

did you find a solution for your problem? I'm having the same problem now, in my opinion the problem is related with the fact that some mentioned users haven't the access to the channel, but I don't know how solve the problem. Any idea?

 

Thanks, regards

Hi @simorav ,

I was able to find a solution. Sorry for not updating this post.

Currently you cannot mention the team. You can mention a channel or an individual user with Power Automate / Logic apps. Please take a look here: Mention a channel with Flow – Expiscornovus

 

In my case I mention the "General" channel of the team (this includes all team members). 

PS: you can use the v1.0 endpoint from Microsoft Graph instead of the beta endpoint.

 

If you need additional info just reply 🙂

Hi @jvdlinden ,

thanks for the quick response 🙂

I cannot mention the channel, but I need to mention a list of users. Unfortunately I'm not sure that all the users are mentionable, in fact I cannot find some of these users with a manual mention too. Can I check in some way these situation and remove broken mentions?

 

Thansk, regards

Hi @simorav can you share some additional details (print screen) of what you are using in your flow right now?

Hi @jvdlinden

I receive in input the list of users to be mentioned, then I get the mention token and then I use these token in the  message (see the screen below). 

 

simorav_0-1629963400945.png

 

For some users (e.g. guests) I'm not able to retrieve the token, then I added the try catch block to avoid flow failure. In this way I suppose that remaining mentions should be ok. Unfortunately, when I try to set mentions in the message, the task fail with this error:

 

{
  "error": {
    "code"500,
    "message""Unexpected character encountered while parsing value: E. Path '', line 0, position 0.\r\n   at Newtonsoft.Json.JsonTextReader.ParseValue()\r\n   at Newtonsoft.Json.Linq.JArray.Load(JsonReader reader, JsonLoadSettings settings)\r\n   at Newtonsoft.Json.Linq.JArray.Parse(String json, JsonLoadSettings settings)",
    "source""flow-apim-europe-001-northeurope-01.azure-apim.net",
    "path""choose[19]\\when[1]\\choose\\when[1]",
    "policyId""",
    "clientRequestId""xxxxx"
  }
}
 
I think that some of the users mentioned haven't access to the teams/channel, then the task fails. Any other idea?
Thanks, regards

Hi @simorav if you break your flow down by trying to mention several users manually. Does it work for some users? That might indicate a provisioning issue.

 

I notice that your input for action "Get @mention token for a user" contains a variable. What is the value of that variable? Because here I see that the email address of a user is used as input: Tag a User in a Microsoft Teams post made using Power Automate | D365 Demystified

 

Maybe first you can get all group members and then for each user and get the token for each member:

get_group_members.png

 

This would be the output:

output.png

 

Of course you can filter out users from within the apply to each action.

Hope this helps

twlarrywu
Frequent Visitor

Hi, 

 

I have the same issue.(worked fine on 4 or 5 recipients, it will be failed easily if we have <at>xxx </at> more than 10 email.

Do you or anyone find the workaround or solution?

 

 

Hi @twlarrywu unfortunately not for mentioning multiple users individually.

I basically worked around my issue by mentioning the channel instead.

Hope someone else can help us out with that.

I have an issue with Parse JSON processing \n in the body content. I tried to use split to make the \n a comma, and I tried using replace as you suggested, but I can't even update the function because it's invalid. The ai says that my flow doesn't support split or replace, and when I ask it to help it gives me another blank compose action and throws a send email onto the end of my flow. Not helpful, and I haven't seen anyone else with quite the same problem.

 

Here is my compose function:

Screenshot 2024-02-12 172308.png

 

 

 

 

 

 

Here is an excerpt of the output content the Parse JSON needs to process:

    "content""BEGIN:VCALENDAR\nVERSION:2.0\nPRODID:-//Racarie Software//ApplicantStack//EN\nCALSCALE:GREGORIAN\nMETHOD:PUBLISH\nBEGIN:VEVENT\nSUMMARY:Interview- Teams\nX-MICROSOFT-CDO-BUSYSTATUS:BUSY\nURL:https://allweathersealofwestmichigan.applicantstack.com/events/view/aneinqs9hr4p\nLOCATION:Teams Call\nDESCRIPTION:Candidate....."
 
The builder ai said the unexpected character we were running into is the /n, so these are the functions I thought I could use:
Screenshot 2024-02-12 172822.pngCompose being the original Compose action I mentioned at the beginningCompose being the original Compose action I mentioned at the beginning
 
 
 
 
 
 
 
When the function tool told me those were invalid, the ai kept insisting that the problem was the whole flow not supporting it, so here's a picture of that:
Screenshot 2024-02-12 173439.png
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
If it makes a difference, the data I'm decoding is a .ics email attachment that was in binary. It opened a link, but was technically a JSON format rather than html like the example above. This is my method of accepting a .ics attachment into my calendar.
Pstork1
Most Valuable Professional
Most Valuable Professional

Please post this as a new question.  You'll get more responses and others will be able to find the answer more easily later.



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That's fair, thank you

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