diff --git a/output.json b/output.json
index 81fe7f27..e28c5f9c 100644
--- a/output.json
+++ b/output.json
@@ -146,7 +146,7 @@
               "inputs": ["default", "^production"],
               "executor": "nx:run-commands",
               "options": {
-                "command": "cd packages/bounce-loader && npx playwright test"
+                "command": "cd packages/bounce-loader && yarn playwright test"
               },
               "configurations": {}
             },
@@ -155,7 +155,7 @@
               "inputs": ["default", "^production"],
               "executor": "nx:run-commands",
               "options": {
-                "command": "nx run bounce-loader:start & cd packages/bounce-loader && npx playwright test --ui"
+                "command": "nx run bounce-loader:start & cd packages/bounce-loader && yarn playwright test --ui"
               },
               "configurations": {}
             },
@@ -169,14 +169,14 @@
             "launch-e2e2": {
               "executor": "nx:run-commands",
               "options": {
-                "command": "npx concurrently -k \"wait-on tcp:4200 && cd packages/bounce-loader && yarn cypress open --e2e --browser chrome\" \"nx run bounce-loader:start\""
+                "command": "yarn concurrently -k \"wait-on tcp:4200 && cd packages/bounce-loader && yarn cypress open --e2e --browser chrome\" \"nx run bounce-loader:start\""
               },
               "configurations": {}
             },
             "e2e2": {
               "executor": "nx:run-commands",
               "options": {
-                "command": "npx concurrently --kill-others --kill-signal SIGKILL --success first \"npx wait-on tcp:4200 && cd packages/bounce-loader && yarn cypress run --record --config --e2e\" \"nx run bounce-loader:start\" "
+                "command": "yarn concurrently --kill-others --kill-signal SIGKILL --success first \"yarn wait-on tcp:4200 && cd packages/bounce-loader && yarn cypress run --record --config --e2e\" \"nx run bounce-loader:start\" "
               },
               "configurations": {}
             },
@@ -665,7 +665,7 @@
             "launch-e2e-playwright": {
               "executor": "nx:run-commands",
               "options": {
-                "command": "nx run ove:start:ci & cd packages/ove && npx playwright test --ui"
+                "command": "nx run ove:start:ci & cd packages/ove && yarn playwright test --ui"
               },
               "configurations": {}
             }
diff --git a/packages/ove/cypress/e2e/chromatogram.spec.js b/packages/ove/cypress/e2e/chromatogram.spec.js
index abe1121d..6b017407 100644
--- a/packages/ove/cypress/e2e/chromatogram.spec.js
+++ b/packages/ove/cypress/e2e/chromatogram.spec.js
@@ -37,6 +37,19 @@ describe("chromatogram", function () {
           });
       });
   });
+
+  it("should throw an error if baseTraces are missing from chromatogram data", function () {
+    window.Cypress.triggerMissingBaseTrace = true;
+    cy.visit("#/Editor?chromatogramExample=true");
+
+    cy.on("uncaught:exception", err => {
+      expect(err.message).to.include(
+        'Chromatogram data is missing "baseTraces"'
+      );
+      return false;
+    });
+  });
+
   it("right clicking a chromatogram should give the option to hide quality scores", function () {
     cy.visit("#/Editor?chromatogramExample=true");
     cy.get(".chromatogram").first().rightclick();
diff --git a/packages/ove/demo/src/EditorDemo/index.js b/packages/ove/demo/src/EditorDemo/index.js
index 422614a4..f5472dae 100644
--- a/packages/ove/demo/src/EditorDemo/index.js
+++ b/packages/ove/demo/src/EditorDemo/index.js
@@ -1728,7 +1728,10 @@ additionalEnzymes: {
                         id: "1",
                         // chromatogramData: example1Ab1,
                         // sequence: example1Ab1.baseCalls.join(""),
-                        chromatogramData: chromData,
+                        chromatogramData: window.Cypress
+                          ?.triggerMissingBaseTrace
+                          ? _chromData
+                          : chromData,
                         sequence: chromData.baseCalls.join(""),
                         features: [
                           {
diff --git a/packages/ove/package.json b/packages/ove/package.json
index d6d06823..52850cd1 100644
--- a/packages/ove/package.json
+++ b/packages/ove/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@teselagen/ove",
-  "version": "0.7.17",
+  "version": "0.7.18",
   "main": "./src/index.js",
   "type": "module",
   "exports": {
diff --git a/packages/ove/src/RowItem/Chromatograms/Chromatogram.js b/packages/ove/src/RowItem/Chromatograms/Chromatogram.js
index 9a127692..7990c1ce 100644
--- a/packages/ove/src/RowItem/Chromatograms/Chromatogram.js
+++ b/packages/ove/src/RowItem/Chromatograms/Chromatogram.js
@@ -52,7 +52,11 @@ export default function Chromatogram(props) {
     canvasRef
   ]);
   const marginLeft = gapsBeforeRow * charWidth;
-
+  if (chromatogramData.basePos && !chromatogramData.baseTraces) {
+    throw new Error(
+      'Chromatogram data is missing "baseTraces". Be sure to call the convertBasePosTraceToPerBpTrace(_chromData) before passing it to the editor'
+    );
+  }
   return (
     <div
       className={classNames("chromatogram", {