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Fail with error "Not enough allowance"

Overview​

This guide provides a direct solution for the common "Not enough allowance" error encountered when creating Pinksale presales, specifically during token approval. Reading this will help you:

  • Quickly understand the cause of the error (insufficient token permission).
  • Follow concise steps to revoke previous token allowances using block explorer tools.
  • Learn how to correctly re-approve the maximum token amount needed for presale creation.
  • Find essential answers related to this specific error.

Steps to Fix "Not Enough Allowance"​

If you see this error, it means Pinksale doesn't have permission to use enough of your tokens. Here’s how to fix it:

Step 1: Revoke Previous Allowances​

  1. Go to a Token Approval Checker tool for your blockchain:

  2. Enter your wallet address and search.

  3. Find approvals related to your token address and relevant Pinksale spender addresses.

    Token Approval Checker Interface

  4. Connect your wallet to the tool.

  5. Click "Revoke" for each relevant Pinksale approval you wish to reset.

    Revoke Button Example

  6. Confirm the revoke transaction(s) in your wallet (requires gas fee).

Step 2: Create Presale and Approve Maximum Amount​

  1. Go back to Pinksale and restart the presale creation process.
  2. Proceed until you reach the step requiring token approval before final submission.
  3. Click "Approve" on Pinksale.
  4. When your wallet (e.g., MetaMask) pops up, ensure you approve 100% Total Supply (Max) allowance for the Pinksale contract.

Create Presale and Approve 100% Total Supply (Max) on MetaMask

  1. Confirm the approval transaction in your wallet.

  2. Proceed to submit and create your presale pool.

Q&A (FAQs)​

  • Q1: What does "allowance" mean?
    • A: It's the permission you give a smart contract (like Pinksale's) to move a specific token from your wallet, up to a certain amount.
  • Q2: Why do I need to revoke first?
    • A: Revoking clears any old, potentially insufficient or conflicting permissions, ensuring the new approval works correctly. It's a clean way to fix allowance errors.
  • Q3: Is approving the "Max" amount safe?
    • A: For trusted platforms like Pinksale, approving "Max" is common and convenient, preventing future approval steps for that contract and token. However, only grant high allowances to contracts you trust.

Troubleshooting​

  • Q: I revoked the approval, but still get the "Not enough allowance" error.
    • A: Ensure you revoked the correct approval (correct token, correct Pinksale spender address). Most importantly, double-check that during Step 2.4 you explicitly approved the MAXIMUM amount in your wallet pop-up. Approving less than needed will repeat the error.
  • Q: My "Revoke" transaction failed.
    • A: Make sure you have enough native currency (BNB, ETH, etc.) in your wallet to pay the gas fee for the revoke transaction. Check the block explorer for specific error details.