diff --git a/chain-forge/src/AlertModal.js b/chain-forge/src/AlertModal.js
new file mode 100644
index 0000000..53fa4d0
--- /dev/null
+++ b/chain-forge/src/AlertModal.js
@@ -0,0 +1,28 @@
+/** An alert popup for displaying errors */
+import React, { useState, forwardRef, useImperativeHandle } from 'react';
+import { useDisclosure } from '@mantine/hooks';
+import { Modal } from '@mantine/core';
+
+const AlertModal = forwardRef((props, ref) => {
+  // Mantine modal popover for alerts
+  const [opened, { open, close }] = useDisclosure(false);
+  const [alertMsg, setAlertMsg] = useState('');
+
+  // This gives the parent access to triggering the modal alert
+  const trigger = (msg) => {
+    console.error(msg);
+    setAlertMsg(msg);
+    open();
+  };
+  useImperativeHandle(ref, () => ({
+    trigger,
+  }));
+
+  return (
+    <Modal opened={opened} onClose={close} title="Error" styles={{header: {backgroundColor: '#E52A2A', color: 'white'}}}>
+      <p>{alertMsg}</p>
+    </Modal>
+  );
+});
+
+export default AlertModal;
\ No newline at end of file
diff --git a/chain-forge/src/EvaluatorNode.js b/chain-forge/src/EvaluatorNode.js
index 7265b6f..a7841e8 100644
--- a/chain-forge/src/EvaluatorNode.js
+++ b/chain-forge/src/EvaluatorNode.js
@@ -1,12 +1,9 @@
-import React, { useState, useEffect } from 'react';
+import React, { useState, useEffect, useRef } from 'react';
 import { Handle } from 'react-flow-renderer';
 import useStore from './store';
 import StatusIndicator from './StatusIndicatorComponent'
 import NodeLabel from './NodeLabelComponent'
-
-// Mantine modal
-import { useDisclosure } from '@mantine/hooks';
-import { Modal } from '@mantine/core';
+import AlertModal from './AlertModal'
 
 // Ace code editor
 import AceEditor from "react-ace";
@@ -14,28 +11,6 @@ import "ace-builds/src-noconflict/mode-python";
 import "ace-builds/src-noconflict/theme-xcode";
 import "ace-builds/src-noconflict/ext-language_tools";
 
-// CodeMirror text editor
-// import CodeMirror from '@uiw/react-codemirror';
-// import { globalCompletion, python } from '@codemirror/lang-python';
-// // import { Decoration, DecorationSet, EditorView, ViewPlugin, ViewUpdate} from '@codemirror/view';
-// import { indentUnit } from '@codemirror/language';
-// import { okaidia } from '@uiw/codemirror-theme-okaidia'; // dark theme
-// import { solarizedDark } from '@uiw/codemirror-theme-solarized'; // dark theme; warm
-// import { noctisLilac } from '@uiw/codemirror-theme-noctis-lilac'; // light theme NOTE: Unfortunately this does not show selected text, no idea why. 
-// import { materialLight } from '@uiw/codemirror-theme-material'; // light theme, material
-// import { xcodeDark, xcodeLight } from '@uiw/codemirror-theme-xcode'; // light theme, xcode
-// import { sublime } from '@uiw/codemirror-theme-sublime';
-
-// Experimenting with making the 'def evaluator' line read-only
-// import readOnlyRangesExtension from 'codemirror-readonly-ranges'
-// const getReadOnlyRanges = (editorState) => {
-//   return [{
-//     from: editorState.doc.line(2).from, //same as: editorState.doc.line(0).from or 0
-//     to: editorState.doc.line(2).to
-//   }]
-// }
-// // Add readOnlyRangesExtension(getReadOnlyRanges) to extensions prop of CodeMirror component
-
 const EvaluatorNode = ({ data, id }) => {
 
   const inputEdgesForNode = useStore((state) => state.inputEdgesForNode);
@@ -44,9 +19,8 @@ const EvaluatorNode = ({ data, id }) => {
   const setDataPropsForNode = useStore((state) => state.setDataPropsForNode);
   const [status, setStatus] = useState('none');
 
-  // Mantine modal popover for alerts
-  const [opened, { open, close }] = useDisclosure(false);
-  const [alertMsg, setAlertMsg] = useState('');
+  // For displaying error messages to user
+  const alertModal = useRef(null);
 
   const [hovered, setHovered] = useState(false);
   const [codeText, setCodeText] = useState(data.code);
@@ -74,13 +48,6 @@ const EvaluatorNode = ({ data, id }) => {
     setDataPropsForNode(id, {code: code});
   };
 
-  // Trigger an alert modal popover with Mantine:
-  const triggerErrorAlert = (msg) => {
-    console.error(msg);
-    setAlertMsg(msg);
-    open();
-  };
-
   const handleRunClick = (event) => {
     // Get the ids from the connected input nodes:
     const input_node_ids = inputEdgesForNode(id).map(e => e.source);
@@ -94,7 +61,7 @@ const EvaluatorNode = ({ data, id }) => {
     if (codeText.search(/def\s+evaluate\s*(.*):/) === -1) {
       const err_msg = `Could not find required function 'evaluate'. Make sure you have defined an 'evaluate' function.`;
       setStatus('error');
-      triggerErrorAlert(err_msg);
+      alertModal.current.trigger(err_msg);
       return;
     }
 
@@ -102,7 +69,7 @@ const EvaluatorNode = ({ data, id }) => {
 
     const rejected = (err_msg) => {
       setStatus('error');
-      triggerErrorAlert(err_msg);
+      alertModal.current.trigger(err_msg);
     };
 
     // Run evaluator in backend
@@ -126,7 +93,7 @@ const EvaluatorNode = ({ data, id }) => {
         // Check if there's an error; if so, bubble it up to user and exit:
         if (json.error) {
           setStatus('error');
-          triggerErrorAlert(json.error);
+          alertModal.current.trigger(json.error);
           return;
         }
 
@@ -210,9 +177,7 @@ const EvaluatorNode = ({ data, id }) => {
           id="output"
           style={{ top: '50%', background: '#555' }}
         />
-      <Modal opened={opened} onClose={close} title="Error" styles={{header: {backgroundColor: '#E52A2A', color: 'white'}}}>
-        <p>{alertMsg}</p>
-      </Modal>
+      <AlertModal ref={alertModal} />
       <div className="core-mirror-field">
         <div className="code-mirror-field-header">Function to map over each &nbsp;
         <select name="mapscope" id="mapscope" onChange={handleOnMapScopeSelect}>
diff --git a/chain-forge/src/PromptNode.js b/chain-forge/src/PromptNode.js
index 07aa717..5a55a56 100644
--- a/chain-forge/src/PromptNode.js
+++ b/chain-forge/src/PromptNode.js
@@ -293,7 +293,7 @@ const PromptNode = ({ data, id }) => {
             <label htmlFor="num-generations" style={{fontSize: '10pt'}}>Num responses per prompt:&nbsp;</label>
             <input id="num-generations" name="num-generations" type="number" min={1} max={50} defaultValue={data.n || 1} onChange={handleNumGenChange} className="nodrag"></input>
         </div>
-        <div id="llms-list" className="nowheel" style={{backgroundColor: '#eee', padding: '8px', boxShadow: 'inset 0 0 30px #fff', overflowY: 'auto', maxHeight: '220px'}}>
+        <div id="llms-list" className="nowheel" style={{backgroundColor: '#eee', padding: '8px', overflowY: 'auto', maxHeight: '220px'}}>
             <div style={{marginTop: '6px', marginBottom: '6px', marginLeft: '6px', paddingBottom: '4px', textAlign: 'left', fontSize: '10pt', color: '#777'}}>
                 Models to query:
                 <div className="add-llm-model-btn nodrag">