[Bug]: NPM package install fails to load

[MattBerg11]

What happened?

• Installed Pipeline visualizer from marketplace
• Open > Connect > Successful tool load
• Debug Menu > enter package name with or without a specific version indicated
• Open > select connection > Tool fails to load

Power Platform ToolBox
Version: 1.2.5-dev.20260822
Install ID: 20c43a52-afd6-4706-b656-2291d9d6ca2b

Environment:
Electron: 28.3.3
Node.js: 18.18.2
Chromium: 120.0.6099.291

System:
OS: win32 x64
OS Version: 10.0.26200
Locale: en-US

What version of the PPTB are you using?

1.2.5-dev.20260822

Relevant log output

[ERROR] connections-list element not found 
(anonymous) @ vendor-Dj443UFI.js:75
ho @ index-2CTFrpc0.js:2
w @ index-2CTFrpc0.js:2
ut @ index-2CTFrpc0.js:4588
Rn @ index-2CTFrpc0.js:4614
await in Rn (async)
Ws @ index-2CTFrpc0.js:4584
await in Ws (async)
Js @ index-2CTFrpc0.js:4582
(anonymous) @ index-2CTFrpc0.js:1240
(anonymous) @ index-2CTFrpc0.js:1240
emit @ VM24 node:events:517
onMessage @ VM163 renderer_init:2
vendor-Dj443UFI.js:75 [INFO] Connection established. Continuing with tool launch... 
vendor-Dj443UFI.js:75 [INFO] ToolBox Event: 
{data: {…}}
data: 
payload: 
data: 
{title: 'Tool Launch Failed', body: 'Failed to launch Pipeline Visualiser', type: 'error'}
event: 
"notification:shown"
timestamp: 
"2026-08-22T02:57:31.013Z"

[Power-Maverick]

For debugging you need to have npm or node installed on the machine, can you confirm you have that?

[MattBerg11]

Definitely made me second guess if they were 😅

PS C:\Projects\power-platform> node -v
v24.11.1
PS C:\Projects\power-platform> npm -v
11.6.2