try something

Author: meganrogge

src/vs/workbench/contrib/terminal/browser/terminalInstance.ts

@@ -1483,7 +1483,9 @@ export class TerminalInstance extends Disposable implements ITerminalInstance {
 					this._usedShellIntegrationInjection = true;
 					break;
 				case ProcessPropertyType.Aliases:
-					this._parseAliases(value);
+					if (value) {
+						this._parseAliases(value);
+					}
 					break;
 			}
 		});

src/vs/workbench/contrib/terminal/browser/terminalProcessManager.ts

@@ -417,7 +417,6 @@ export class TerminalProcessManager extends Disposable implements ITerminalProce
 		} else {
 			baseEnv = await this._terminalProfileResolverService.getEnvironment(this.remoteAuthority);
 		}
-
 		const env = await terminalEnvironment.createTerminalEnvironment(shellLaunchConfig, envFromConfigValue, variableResolver, this._productService.version, this._configHelper.config.detectLocale, baseEnv);
 		if (!this._isDisposed && !shellLaunchConfig.strictEnv && !shellLaunchConfig.hideFromUser) {
 			this._extEnvironmentVariableCollection = this._environmentVariableService.mergedCollection;