Setting buffer attachment not working. The resource must be a string, Buffer or a valid file stream

 await this.getShardUtil(client).broadcastEval(
            async (client: any, context: { embeds: any[], attachments: any[], permissions: Record<string, any> }) => {
                // bla bla bla
                    if (logsChannel && logsChannel.isTextBased()) {
                        await logsChannel.send({ embeds: context.embeds, files: context.attachments });
                    }
                }
            }, { context: { embeds: [ embed ], attachments: [ ...attachments ], permissions: { ViewChannel: PermissionFlagsBits.ViewChannel.toString() } } });

  
   if (key === "icon" || key === "banner") {
                            const imageBuffer: Buffer = Buffer.from(reportedServer[key].split(",")[1], "base64");
                            const imageType: string = reportedServer[key].split(";")[0].split("/")[1];

                            const attachment = new AttachmentBuilder(imageBuffer, { name: `${key}.${imageType}`, });
                            attachments.push(attachment);

                            return `> **${formattedKey}:** [${key}.${imageType}](attachment://${key}.${imageType})`;
                        }