Odi-26128 - Unable To Open Editor

I ran into the ODI-26128: unable to open editor error while trying to edit a mapping in ODI 12c. Clicking on a mapping or interface simply showed the error popup with no additional details — no line number, no specific object reference.

Here’s a review based on the error in Oracle Data Integrator (ODI), written as if from a developer or data engineer. ⭐⭐☆☆☆ – Frustrating & Vague Error (2/5) Title: ODI-26128 makes simple edits a nightmare odi-26128 unable to open editor