diff --git a/dist/index.js b/dist/index.js
index 9d7cf3f..bf2f140 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -25719,6 +25719,11 @@ function getCommitsSinceLatestBeforeGivenDate(dir, date) {
         // No commits in the target repo - return an empty array, which will result in the first representative commit
         // being made as the first commit. And then we can iterate as normal (recalling that the target history is
         // refreshed _from local repo_ - incurring no network charges) from there on.
+        if (error.output == undefined) {
+            throw Error(`Unexpected error while building target commit history`, {
+                cause: error
+            });
+        }
         const errorOutputAsString = '' + error.output[2];
         if (!errorOutputAsString.includes('does not have any commits yet')) {
             console.log(`Unexpected error: ${errorOutputAsString}`);
@@ -25790,7 +25795,13 @@ function createRepresentativeCommit(dir, sourceRepo, sourceCommit) {
     }
     catch (e) {
         console.log(e);
+        console.log(`DEBUG - e is ${e}`);
         const error = e;
+        if (error.output == undefined) {
+            throw Error(`Unexpected error while creating representative commit`, {
+                cause: error
+            });
+        }
         console.log(`DEBUG - error while creating representative commit: ${'' + error.output[2]} ... ${'' + error.output[1]}`);
         throw e;
     }
diff --git a/node_modules/@vercel/ncc/dist/ncc/cli.js.cache b/node_modules/@vercel/ncc/dist/ncc/cli.js.cache
index 50cc3a0..8d26689 100644
Binary files a/node_modules/@vercel/ncc/dist/ncc/cli.js.cache and b/node_modules/@vercel/ncc/dist/ncc/cli.js.cache differ
diff --git a/node_modules/@vercel/ncc/dist/ncc/index.js.cache b/node_modules/@vercel/ncc/dist/ncc/index.js.cache
index f5eb1f9..71a7f90 100644
Binary files a/node_modules/@vercel/ncc/dist/ncc/index.js.cache and b/node_modules/@vercel/ncc/dist/ncc/index.js.cache differ
diff --git a/node_modules/@vercel/ncc/dist/ncc/loaders/relocate-loader.js.cache b/node_modules/@vercel/ncc/dist/ncc/loaders/relocate-loader.js.cache
index 1e6ec6e..a5dba6e 100644
Binary files a/node_modules/@vercel/ncc/dist/ncc/loaders/relocate-loader.js.cache and b/node_modules/@vercel/ncc/dist/ncc/loaders/relocate-loader.js.cache differ
diff --git a/node_modules/@vercel/ncc/dist/ncc/loaders/shebang-loader.js.cache b/node_modules/@vercel/ncc/dist/ncc/loaders/shebang-loader.js.cache
index b22bac1..0b4b098 100644
Binary files a/node_modules/@vercel/ncc/dist/ncc/loaders/shebang-loader.js.cache and b/node_modules/@vercel/ncc/dist/ncc/loaders/shebang-loader.js.cache differ
diff --git a/node_modules/@vercel/ncc/dist/ncc/loaders/ts-loader.js.cache b/node_modules/@vercel/ncc/dist/ncc/loaders/ts-loader.js.cache
index 17527b2..4272069 100644
Binary files a/node_modules/@vercel/ncc/dist/ncc/loaders/ts-loader.js.cache and b/node_modules/@vercel/ncc/dist/ncc/loaders/ts-loader.js.cache differ
diff --git a/src/git.ts b/src/git.ts
index e977fbe..5dcaeca 100644
--- a/src/git.ts
+++ b/src/git.ts
@@ -74,6 +74,11 @@ export function getCommitsSinceLatestBeforeGivenDate(dir: string, date: Date): C
         // No commits in the target repo - return an empty array, which will result in the first representative commit
         // being made as the first commit. And then we can iterate as normal (recalling that the target history is
         // refreshed _from local repo_ - incurring no network charges) from there on.
+        if (error.output == undefined) {
+            throw Error(`Unexpected error while building target commit history`, {
+                cause: error
+            })
+        }
         const errorOutputAsString = '' + error.output[2]
         if (!errorOutputAsString.includes('does not have any commits yet')) {
             console.log(`Unexpected error: ${errorOutputAsString}`);
@@ -150,7 +155,13 @@ function createRepresentativeCommit(dir: string, sourceRepo: RepoId,sourceCommit
         })
     } catch (e) {
         console.log(e);
+        console.log(`DEBUG - e is ${e}`);
         const error = e as ExecSyncError;
+        if (error.output == undefined) {
+            throw Error(`Unexpected error while creating representative commit`, {
+                cause: error
+            })
+        }
         console.log(`DEBUG - error while creating representative commit: ${'' + error.output[2]} ... ${'' + error.output[1]}`);
         throw e;
     }