[BUG] 2.1.1 not sending to Teams #122

conf.json

{
    "services": {
        "discord": {
            "enabled": false,
            "webhook": "DiscordWebhook",
            "user_id": "123456789"
        },
        "slack": {
            "enabled": false,
            "webhook": "SlackWebhook",
            "user_id": "A1B2C3D4E5"
        },
        "teams": {
            "enabled": true,
            "webhook": "https:webhook",
            "user_id": "user@domain.tld",
            "display_name": "Your Name"
        },
        "telegram": {
            "enabled": false,
            "bot_token": "TelegramBotToken",
            "chat_id": "TelegramChatID",
            "user_name": "yourusername"
        },
        "http": {
            "enabled": false,
            "url": "EndpointURL",
            "method": "POST"
        }
    },
    "mentions": {
        "on_failure": false,
        "on_warning": false,
        "on_success": false
    },
    "notifications": {
        "on_success": true,
        "on_failure": true,
        "on_warning": true
    },
    "logging": {
        "enabled": true,
        "level": "debug",
        "max_age_days": 7
    },
    "update": {
        "notify": true,
        "auto_update": false,
        "auto_update_comment": "auto_update is not yet implemented. This will do nothing even if 'true'."
    },
    "thumbnail": "https://raw.githubusercontent.com/tigattack/VeeamNotify/main/asset/thumb01.png"
}


from log: 

Windows PowerShell transcript start
Start time: 20250805100841
Username: SYD03G1VBK01\veeamadmin
RunAs User: SYD03G1VBK01\veeamadmin
Configuration Name: 
Machine: SYD03G1VBK01 (Microsoft Windows NT 10.0.20348.0)
Host Application: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -NoProfile -File C:\VeeamScripts\VeeamNotify\AlertSender.ps1 -JobId 0a808045-1aa3-4417-853b-306fd1dc5aab -SessionId f001f60f-b806-4afc-a440-2e604c7e02e8 -JobType Backup -Config {  "services": {    "discord": {      "enabled": false,      "webhook": "DiscordWebhook",      "user_id": "123456789"    },    "slack": {      "enabled": false,      "webhook": "SlackWebhook",      "user_id": "A1B2C3D4E5"    },    "teams": {      "enabled": true,      "webhook": "https://webhookremoved",      "user_id": "user@domain.tld",      "display_name": "Your Name"    },    "telegram": {      "enabled": false,      "bot_token": "TelegramBotToken",      "chat_id": "TelegramChatID",      "user_name": "yourusername"    },    "http": {      "enabled": false,      "url": "EndpointURL",      "method": "POST"    }  },  "mentions": {    "on_failure": false,    "on_warning": false,    "on_success": false  },  "notifications": {    "on_success": true,    "on_failure": true,    "on_warning": true  },  "logging": {    "enabled": true,    "level": "debug",    "max_age_days": 7  },  "update": {    "notify": true,    "auto_update": false,    "auto_update_comment": "auto_update is not yet implemented. This will do nothing even if 'true'."  },  "thumbnail": "https://raw.githubusercontent.com/tigattack/VeeamNotify/main/asset/thumb01.png"} -Logfile C:\VeeamScripts\VeeamNotify\log\2025-08-05_10.08.31-vgc-syd-oss-dev_(Incremental).log
Process ID: 21816
PSVersion: 5.1.20348.2849
PSEdition: Desktop
PSCompatibleVersions: 1.0, 2.0, 3.0, 4.0, 5.0, 5.1.20348.2849
BuildVersion: 10.0.20348.2849
CLRVersion: 4.0.30319.42000
WSManStackVersion: 3.0
PSRemotingProtocolVersion: 2.3
SerializationVersion: 1.1.0.1
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2025-08-05T00:08:41.458Z [INFO] Transcript is being logged to 'C:\VeeamScripts\VeeamNotify\log\2025-08-05_10.08.31-vgc-syd-oss-dev_(Incremental).log'.
PS>TerminatingError(Invoke-RestMethod): "Unable to connect to the remote server"
2025-08-05T00:09:05.615Z [INFO] No update available.
2025-08-05T00:09:05.630Z [DEBUG] Skipping Discord notification as it is not enabled.
2025-08-05T00:09:05.630Z [DEBUG] Skipping Slack notification as it is not enabled.
2025-08-05T00:09:06.536Z [INFO] Teams notification sent successfully.
2025-08-05T00:09:06.536Z [DEBUG] Teams notification response: Webhook message delivery failed with error: Microsoft Teams endpoint returned HTTP error 400 with ContextId 01=2..
2025-08-05T00:09:06.536Z [DEBUG] Skipping Telegram notification as it is not enabled.
2025-08-05T00:09:06.536Z [DEBUG] Skipping Http notification as it is not enabled.
2025-08-05T00:09:06.552Z [DEBUG] Running log cleanup.
VERBOSE: Performing the operation "Remove expired log files" on target "C:\VeeamScripts\VeeamNotify\log".
2025-08-05T00:09:06.552Z [DEBUG] Searching for log files older than 7 days.
2025-08-05T00:09:06.568Z [DEBUG] Found 0 logs files exceeding retention period.
2025-08-05T00:09:06.568Z [INFO] Stopping transcript logging.
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Windows PowerShell transcript end
End time: 20250805100906
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