Body: <p>I just upgraded a Craft 2 site to 3, and am getting this error from one of my matrix blocks. </p>
  
  <pre><code>This field’s Volume configuration is invalid
  </code></pre>
  
  <p>This what it looks like in backend:
  <a href="https://i.sstatic.net/bm8BM.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/bm8BM.png" alt="enter image description here"></a></p>
  
  <p>Oddly enough, I went into settings and resaved the field, not touching anything else, and now I can atleast see the images:</p>
  
  <p><a href="https://i.sstatic.net/BY0Ym.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/BY0Ym.png" alt="enter image description here"></a></p>
  
  <p>However, I cant save the entry now, and am greeted with the same error:</p>
  
  <pre><code>This field’s Volume configuration is invalid
  </code></pre>
  
  <p>** Updated Volume Assets Screenshot **
  <a href="https://i.sstatic.net/Mhqnr.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/Mhqnr.png" alt="enter image description here"></a></p>
  
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2018-04-04T14:06:54.597Z
Comments.Text: You might want to take a look at your field and at the selected volume in that field. Without knowing your volume settings we can't provide much help. The error already states that the volume is not correct
Comments.UserDisplayName: Robin Schambach
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2018-04-04T14:30:44.800Z
Comments.Text: Yeah please share a screenshot of your volume settings so we can see what's going on there. Most likely you've got something incorrect in the volume settings, hence the errors.
Comments.UserDisplayName: Jalen Davenport
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2018-04-04T14:33:28.650Z
Comments.Text: Updated with a screenshot. These are the only fields that are giving me a problem on the entire site. Everything else works fine. I have other matrix blocks that utilize images as well, and they are not broken.
Comments.UserDisplayName: Dan Zuzevich
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2018-04-04T14:51:05.737Z
Comments.Text: Seems like your `$defaultUploadLocationSource` or `singleUploadLocationSource` is not set. Please take a look at your field settings
Comments.UserDisplayName: Robin Schambach
Tags: <matrix>
Title: Craft 3 This field’s Volume configuration is invalid
ThreadText: # Craft 3 This field’s Volume configuration is invalid
  
  (Asked by: username_0 on 2018-04-04)
  
  I just upgraded a Craft 2 site to 3, and am getting this error from one of my matrix blocks.
  
  ```
  This field’s Volume configuration is invalid
  
  ```
  
  This what it looks like in backend:
  [![enter image description here](https://i.sstatic.net/bm8BM.png)](https://i.sstatic.net/bm8BM.png)
  
  Oddly enough, I went into settings and resaved the field, not touching anything else, and now I can atleast see the images:
  
  [![enter image description here](https://i.sstatic.net/BY0Ym.png)](https://i.sstatic.net/BY0Ym.png)
  
  However, I cant save the entry now, and am greeted with the same error:
  
  ```
  This field’s Volume configuration is invalid
  
  ```
  
  \*\* Updated Volume Assets Screenshot \*\*
  [![enter image description here](https://i.sstatic.net/Mhqnr.png)](https://i.sstatic.net/Mhqnr.png)
  
  **Tags:** matrix
  
  > **Comments:**
  > **username_1**: You might want to take a look at your field and at the selected volume in that field. Without knowing your volume settings we can't provide much help. The error already states that the volume is not correct  
  > **username_2**: Yeah please share a screenshot of your volume settings so we can see what's going on there. Most likely you've got something incorrect in the volume settings, hence the errors.  
  > **username_0**: Updated with a screenshot. These are the only fields that are giving me a problem on the entire site. Everything else works fine. I have other matrix blocks that utilize images as well, and they are not broken.  
  > **username_1**: Seems like your `$defaultUploadLocationSource` or `singleUploadLocationSource` is not set. Please take a look at your field settings  
  
  ---
  
  ## 0 answers
  
  