diff --git a/package-lock.json b/package-lock.json
index 565d4175..469fe2b7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.0",
       "hasInstallScript": true,
       "dependencies": {
-        "@algorandfoundation/algokit-subscriber": "3.0.1",
+        "@algorandfoundation/algokit-subscriber": "^3.0.2",
         "@algorandfoundation/algokit-utils": "^8.1.0",
         "@auth0/auth0-react": "^2.2.4",
         "@blockshake/defly-connect": "^1.2.1",
@@ -167,9 +167,9 @@
       "license": "MIT"
     },
     "node_modules/@algorandfoundation/algokit-subscriber": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/@algorandfoundation/algokit-subscriber/-/algokit-subscriber-3.0.1.tgz",
-      "integrity": "sha512-NJ2Vasu4IUQcROUScpqMW8LBXAURGlKMOeFLpgKX6SXRW/SlmmyGNp1m+WbxKRcIhvAvLVDCARJYUGhsarSBxA==",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/@algorandfoundation/algokit-subscriber/-/algokit-subscriber-3.0.2.tgz",
+      "integrity": "sha512-mJN+r6CtAamk2f7zh037/gmktJJa7Ox2cunq//6agDNZEVv3X4q73jDLv9RRnNva93VYjDPSyJM+WUHkWx1W3Q==",
       "dependencies": {
         "js-sha512": "^0.9.0"
       },
diff --git a/package.json b/package.json
index 84514e59..f6ec0d0e 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "postinstall": "patch-package"
   },
   "dependencies": {
-    "@algorandfoundation/algokit-subscriber": "3.0.1",
+    "@algorandfoundation/algokit-subscriber": "^3.0.2",
     "@algorandfoundation/algokit-utils": "^8.1.0",
     "@auth0/auth0-react": "^2.2.4",
     "@blockshake/defly-connect": "^1.2.1",
@@ -197,4 +197,4 @@
   "overrides": {
     "ws@>7.0.0 <7.5.9": "7.5.10"
   }
-}
+}
\ No newline at end of file
diff --git a/src/features/abi-methods/utils/parse-errors.ts b/src/features/abi-methods/utils/parse-errors.ts
index ddae40c9..a41c9e1c 100644
--- a/src/features/abi-methods/utils/parse-errors.ts
+++ b/src/features/abi-methods/utils/parse-errors.ts
@@ -1,5 +1,6 @@
 import { getApplicationResultAtom } from '@/features/applications/data'
 import { dataStore } from '@/features/common/data/data-store'
+import { asAlgosdkTransactions } from '@/features/transaction-wizard/mappers'
 import { BuildableTransactionType, BuildMethodCallTransactionResult, BuildTransactionResult } from '@/features/transaction-wizard/models'
 import { asError } from '@/utils/error'
 import { AppClient } from '@algorandfoundation/algokit-utils/types/app-client'
@@ -8,12 +9,7 @@ import algosdk from 'algosdk'
 type URLTokenBaseHTTPError = {
   name: 'URLTokenBaseHTTPError'
   response: {
-    body: {
-      data: {
-        ['app-index']: number
-        ['group-index']: number
-      }
-    }
+    text: string
   }
 }
 
@@ -23,12 +19,7 @@ type SimulateError = Error & {
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 const isURLTokenBaseHTTPError = (e: any): e is URLTokenBaseHTTPError => {
-  return (
-    e.name === 'URLTokenBaseHTTPError' &&
-    e.response?.body?.data &&
-    e.response.body.data['app-index'] !== undefined &&
-    e.response.body.data['group-index'] !== undefined
-  )
+  return e.name === 'URLTokenBaseHTTPError' && e.response?.text
 }
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -36,13 +27,41 @@ const isSimulateError = (e: any): e is SimulateError => {
   return e.simulateResponse !== undefined
 }
 
+/**
+ * The supplied transactions array may contain transactions passed as ABI method call args, which become group transactions.
+ * This function flattens any such args into the transaction group and finds the transaction by group index.
+ */
+const findTransactionInGroup = async (transactions: BuildTransactionResult[], groupIndex: number) => {
+  const indexMap: number[] = []
+
+  for (const [i, transaction] of transactions.entries()) {
+    // Flattens out transactions passed as ABI method call args
+    const txns = await asAlgosdkTransactions(transaction)
+    txns.forEach((_) => {
+      indexMap.push(i)
+    })
+  }
+
+  const index = indexMap[groupIndex]
+  if (index === undefined) {
+    return undefined
+  }
+  return transactions[index]
+}
+
 export const parseCallAbiMethodError = async (e: unknown, transactions: BuildTransactionResult[]): Promise<Error> => {
   if (!isURLTokenBaseHTTPError(e)) {
     return asError(e)
   }
 
-  const groupIndex = e.response.body.data['group-index']
-  const transaction = transactions[groupIndex]
+  const errorBody = JSON.parse(e.response.text)
+  const groupIndex =
+    errorBody && errorBody.data && errorBody.data['group-index'] !== undefined ? (errorBody.data['group-index'] as number) : undefined
+  if (groupIndex === undefined) {
+    return asError(e)
+  }
+
+  const transaction = await findTransactionInGroup(transactions, groupIndex)
   if (!transaction || transaction.type !== BuildableTransactionType.MethodCall) {
     return asError(e)
   }
@@ -62,7 +81,7 @@ export const parseSimulateAbiMethodError = async (e: unknown, transactions: Buil
 
   // When there are multiple errors, the failedAt array will only have one element
   const groupIndex = Number(e.simulateResponse.txnGroups[0].failedAt[0])
-  const transaction = transactions[groupIndex]
+  const transaction = await findTransactionInGroup(transactions, groupIndex)
   if (!transaction || transaction.type !== BuildableTransactionType.MethodCall) {
     return asError(e)
   }
@@ -91,7 +110,7 @@ const parseErrorForTransaction = async (e: unknown, groupIndex: number, transact
     return asError(e)
   }
 
-  return new Error(`Error in transaction ${groupIndex + 1}: ${tealErrorMessage}`)
+  return new Error(`Error in transaction at index ${groupIndex}: ${tealErrorMessage}`)
 }
 
 const extractErrorMessage = (errorString: string): string | undefined => {
diff --git a/src/features/transaction-wizard/utils/transform-search-params-transactions.ts b/src/features/transaction-wizard/utils/transform-search-params-transactions.ts
index 15e06682..f0bff532 100644
--- a/src/features/transaction-wizard/utils/transform-search-params-transactions.ts
+++ b/src/features/transaction-wizard/utils/transform-search-params-transactions.ts
@@ -52,11 +52,11 @@ export function transformSearchParamsTransactions(searchParamTransactions: BaseS
     } catch (error) {
       if (error instanceof z.ZodError) {
         const badPaths = error.errors.map((e) => e.path.join('-'))
-        errors.push(`Error in transaction ${index} in the following fields: ${badPaths.join(', ')}`)
+        errors.push(`Error in transaction at index ${index} in the following fields: ${badPaths.join(', ')}`)
         continue
       }
       if (error instanceof Error) {
-        errors.push(`Error in transaction ${index}: ${error.message}`)
+        errors.push(`Error in transaction at index ${index}: ${error.message}`)
       }
     }
   }