Hi Samuel,
Greetings from Syncfusion Support.
We have checked with your reported query regarding the usage of Dashboard Layout in Vue sample. We have followed the exact steps given in the getting started documentation and created a sample for your reference.
However, we are unable to reproduce the mentioned issue.
Refer to the npm version used.
Refer to the sample rendered with Dashboard Layout.
Vue version used:
Refer to the sample given below.
We noticed that the error is thrown from Splitter, please confirm whether you are using Splitter component in your sample. If the issue persists, kindly modify the above sample else share your complete code block to serve you better.
Please get back to us if you need any further assistance.
Regards,
Sharon Sanchez S.