Currently we only support following types of custom fields :

• checkbox
• date picker
• user picker (single user)
• number
• radio button
• label
• single-choice select
• multiple-choice select
• single-line text
• URL (read-only)

While integrating Insight Asset Mangement, it offers different types of custom fields which are not yet supported by Advanced Roadmaps

These fields are greyed out when selecting them into the plan