diff --git a/src/contracts/factories/NFTFactory.ts b/src/contracts/factories/NFTFactory.ts
index 74fb159d..8ac516df 100644
--- a/src/contracts/factories/NFTFactory.ts
+++ b/src/contracts/factories/NFTFactory.ts
@@ -82,7 +82,7 @@ export class NftFactory extends SmartContractWithAddress {
         gasPrice: await this.getFairGasPrice()
       })
 
-    return trxReceipt.events.NFTCreated.returnValues[0]
+    return trxReceipt?.events?.NFTCreated?.returnValues?.[0]
   }
 
   /** Get Current NFT Count (NFT created)
diff --git a/src/contracts/pools/Dispenser.ts b/src/contracts/pools/Dispenser.ts
index f5bd3f97..3a87456c 100644
--- a/src/contracts/pools/Dispenser.ts
+++ b/src/contracts/pools/Dispenser.ts
@@ -18,6 +18,9 @@ export class Dispenser extends SmartContractWithAddress {
    */
   public async status(dtAdress: string): Promise<DispenserToken> {
     const status: DispenserToken = await this.contract.methods.status(dtAdress).call()
+    if (!status) {
+      throw new Error(`Np dispenser found for the given datatoken address`)
+    }
     status.maxTokens = this.web3.utils.fromWei(status.maxTokens)
     status.maxBalance = this.web3.utils.fromWei(status.maxBalance)
     status.balance = this.web3.utils.fromWei(status.balance)
diff --git a/src/contracts/tokens/NFT.ts b/src/contracts/tokens/NFT.ts
index e50f0137..d628078e 100644
--- a/src/contracts/tokens/NFT.ts
+++ b/src/contracts/tokens/NFT.ts
@@ -78,7 +78,7 @@ export class Nft extends SmartContract {
         gasPrice: await this.getFairGasPrice()
       })
 
-    return trxReceipt.events.TokenCreated.returnValues[0]
+    return trxReceipt?.events?.TokenCreated?.returnValues?.[0]
   }
 
   /**