Dear [Name],
I am writing to apologize for the unsuccessful donation I made to [Charity Name]. I understand how important donations are to the organization and how much they rely on the generosity of their donors. I am truly sorry for not being able to provide the necessary funds.
I had the best of intentions when I made the donation. I wanted to help the charity and make a difference in the lives of those they serve. Unfortunately, due to a technical error, the donation was not successful. I take full responsibility for this mistake and I am deeply sorry for the inconvenience it has caused.
I understand that the donation was important to the charity and I am committed to making it up to them. I have already contacted my bank to ensure that the donation is successful this time. I have also contacted the charity to ensure that they are aware of the situation and that they will receive the donation.
I understand that this mistake has caused a lot of inconvenience and I want to make it up to the charity. I am willing to make an additional donation to make up for the failed one. I am also willing to volunteer my time and services to the charity if they need any help.
Once again, I apologize for the failed donation and for the inconvenience it has caused. I am committed to making it up to the charity and I hope that this mistake does not reflect poorly on me as a donor.
Sincerely,
[Your Name]