Select menu entry "licenser: Insert license headers to contents"
Trace log
```
mainThreadExtensionService.ts:59 [[object Object]][UriError]: If a URI does not contain an authority component, then the path cannot begin with two slash characters ("//")
$onExtensionRuntimeError @ mainThreadExtensionService.ts:59
_doInvokeHandler @ rpcProtocol.ts:417
_invokeHandler @ rpcProtocol.ts:402
_receiveRequest @ rpcProtocol.ts:318
_receiveOneMessage @ rpcProtocol.ts:245
(anonymous) @ rpcProtocol.ts:110
fire @ event.ts:622
fire @ ipc.net.ts:468
_receiveMessage @ ipc.net.ts:821
(anonymous) @ ipc.net.ts:660
fire @ event.ts:622
acceptChunk @ ipc.net.ts:241
(anonymous) @ ipc.net.ts:202
I @ ipc.net.ts:32
emit @ events.js:315
addChunk @ _stream_readable.js:295
readableAddChunk @ _stream_readable.js:271
Readable.push @ _stream_readable.js:212
onStreamRead @ internal/stream_base_commons.js:186
mainThreadExtensionService.ts:60 Error: [UriError]: If a URI does not contain an authority component, then the path cannot begin with two slash characters ("//")
at I (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:58)
at new f (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:58)
at new m (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:58)
at Function.parse (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:58)
at Licenser. (~/.vscode-oss/extensions/ymotongpoo.licenser-1.5.0/out/src/extension.js:210)
at Generator.next ()
at ~/.vscode-oss/extensions/ymotongpoo.licenser-1.5.0/out/src/extension.js:21
at new Promise ()
at __awaiter (~/.vscode-oss/extensions/ymotongpoo.licenser-1.5.0/out/src/extension.js:17)
at ~/.vscode-oss/extensions/ymotongpoo.licenser-1.5.0/out/src/extension.js:207
at Array.forEach ()
at Licenser._insertMultiple (~/.vscode-oss/extensions/ymotongpoo.licenser-1.5.0/out/src/extension.js:207)
at Licenser.insertMultiple (~/.vscode-oss/extensions/ymotongpoo.licenser-1.5.0/out/src/extension.js:258)
at ~/.vscode-oss/extensions/ymotongpoo.licenser-1.5.0/out/src/extension.js:121
at S._executeContributedCommand (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:87)
at S.$executeContributedCommand (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:87)
at c._doInvokeHandler (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:90)
at c._invokeHandler (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:90)
at c._receiveRequest (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:90)
at c._receiveOneMessage (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:90)
at /usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:90
at g.fire (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:57)
at p.fire (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:65)
at /usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:106
at g.fire (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:57)
at p.fire (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:65)
at t._receiveMessage (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:65)
at /usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:65
at g.fire (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:57)
at l.acceptChunk (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:65)
at /usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:65
at Socket.E (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:106)
at Socket.emit (events.js:315)
at addChunk (_stream_readable.js:295)
at readableAddChunk (_stream_readable.js:271)
at Socket.Readable.push (_stream_readable.js:212)
at Pipe.onStreamRead (internal/stream_base_commons.js:186)
$onExtensionRuntimeError @ mainThreadExtensionService.ts:60
_doInvokeHandler @ rpcProtocol.ts:417
_invokeHandler @ rpcProtocol.ts:402
_receiveRequest @ rpcProtocol.ts:318
_receiveOneMessage @ rpcProtocol.ts:245
(anonymous) @ rpcProtocol.ts:110
fire @ event.ts:622
fire @ ipc.net.ts:468
_receiveMessage @ ipc.net.ts:821
(anonymous) @ ipc.net.ts:660
fire @ event.ts:622
acceptChunk @ ipc.net.ts:241
(anonymous) @ ipc.net.ts:202
I @ ipc.net.ts:32
emit @ events.js:315
addChunk @ _stream_readable.js:295
readableAddChunk @ _stream_readable.js:271
Readable.push @ _stream_readable.js:212
onStreamRead @ internal/stream_base_commons.js:186
```
Runtime environment
Behaviors
Expected behavior
Add license headers to every file in directory
Actual behavior
No change in files content.
Steps to reproduce the issue
Trace log
``` mainThreadExtensionService.ts:59 [[object Object]][UriError]: If a URI does not contain an authority component, then the path cannot begin with two slash characters ("//") $onExtensionRuntimeError @ mainThreadExtensionService.ts:59 _doInvokeHandler @ rpcProtocol.ts:417 _invokeHandler @ rpcProtocol.ts:402 _receiveRequest @ rpcProtocol.ts:318 _receiveOneMessage @ rpcProtocol.ts:245 (anonymous) @ rpcProtocol.ts:110 fire @ event.ts:622 fire @ ipc.net.ts:468 _receiveMessage @ ipc.net.ts:821 (anonymous) @ ipc.net.ts:660 fire @ event.ts:622 acceptChunk @ ipc.net.ts:241 (anonymous) @ ipc.net.ts:202 I @ ipc.net.ts:32 emit @ events.js:315 addChunk @ _stream_readable.js:295 readableAddChunk @ _stream_readable.js:271 Readable.push @ _stream_readable.js:212 onStreamRead @ internal/stream_base_commons.js:186 mainThreadExtensionService.ts:60 Error: [UriError]: If a URI does not contain an authority component, then the path cannot begin with two slash characters ("//") at I (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:58) at new f (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:58) at new m (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:58) at Function.parse (/usr/lib/code/out/vs/workbench/services/extensions/node/extensionHostProcess.js:58) at Licenser.