Im getting a very ambiguous error when trying to get data via aspnet

{
    "type": "https://tools.ietf.org/html/rfc9110#section-15.5.1",
    "title": "One or more validation errors occurred.",
    "status": 400,
    "errors": {
        "$": [
            "The input does not contain any JSON tokens. Expected the input to start with a valid JSON token, when isFinalBlock is true. Path: $ | LineNumber: 0 | BytePositionInLine: 0."
        ],
        "message": [
            "The message field is required."
        ]
    },
    "traceId": "00-f5d127fc6a00e0cd28fe148c883461a5-aba989072b5d28e9-00"
}

{
    "type": "https://tools.ietf.org/html/rfc9110#section-15.5.1",
    "title": "One or more validation errors occurred.",
    "status": 400,
    "errors": {
        "$": [
            "The input does not contain any JSON tokens. Expected the input to start with a valid JSON token, when isFinalBlock is true. Path: $ | LineNumber: 0 | BytePositionInLine: 0."
        ],
        "message": [
            "The message field is required."
        ]
    },
    "traceId": "00-f5d127fc6a00e0cd28fe148c883461a5-aba989072b5d28e9-00"
}

"test"

"test"

/// <summary>
    /// Remove a dpo
    /// </summary>
    /// <param name="guildId"></param>
    /// <param name="commandName"></param>
    /// <returns></returns>
    [HttpDelete("dpo/{guildId}")]
    public async Task<IActionResult> RemoveDpo(ulong guildId, [FromBody] string commandName)
    {
        var com = cmdServ.Search(commandName);
        if (!com.IsSuccess)
            return BadRequest(com);
        await dpoService.RemoveOverride(guildId, commandName);
        return Ok();
    }

/// <summary>
    /// Remove a dpo
    /// </summary>
    /// <param name="guildId"></param>
    /// <param name="commandName"></param>
    /// <returns></returns>
    [HttpDelete("dpo/{guildId}")]
    public async Task<IActionResult> RemoveDpo(ulong guildId, [FromBody] string commandName)
    {
        var com = cmdServ.Search(commandName);
        if (!com.IsSuccess)
            return BadRequest(com);
        await dpoService.RemoveOverride(guildId, commandName);
        return Ok();
    }

{
    "type": "https://tools.ietf.org/html/rfc9110#section-15.5.1",
    "title": "One or more validation errors occurred.",
    "status": 400,
    "errors": {
        "$": [
            "The input does not contain any JSON tokens. Expected the input to start with a valid JSON token, when isFinalBlock is true. Path: $ | LineNumber: 0 | BytePositionInLine: 0."
        ],
        "commandName": [
            "The commandName field is required."
        ]
    },
    "traceId": "00-b90dcda822a05ec97c546c28d360e4ec-3cd9035000a26306-00"
}

{
    "type": "https://tools.ietf.org/html/rfc9110#section-15.5.1",
    "title": "One or more validation errors occurred.",
    "status": 400,
    "errors": {
        "$": [
            "The input does not contain any JSON tokens. Expected the input to start with a valid JSON token, when isFinalBlock is true. Path: $ | LineNumber: 0 | BytePositionInLine: 0."
        ],
        "commandName": [
            "The commandName field is required."
        ]
    },
    "traceId": "00-b90dcda822a05ec97c546c28d360e4ec-3cd9035000a26306-00"
}

[13:53:42 INF] | #Mewdeko | Request received: DELETE /botapi/Permissions/dpo/900378009188565022
[13:53:42 INF] | #Mewdeko | Request body: "help"
[13:53:42 INF] | #Mewdeko | Executing endpoint 'Mewdeko.Controllers.PermissionsController.RemoveDpo (Mewdeko)'
[13:53:42 INF] | #Mewdeko | Route matched with {action = "RemoveDpo", controller = "Permissions"}. Executing controller action with signature System.Threading.Tasks.Task`1[Microsoft.AspNetCore.Mvc.IActionResult] RemoveDpo(UInt64, System.String) on controller Mewdeko.Controllers.PermissionsController (Mewdeko).
[13:53:42 INF] | #Mewdeko | Executing BadRequestObjectResult, writing value of type 'Microsoft.AspNetCore.Mvc.ValidationProblemDetails'.
[13:53:42 INF] | #Mewdeko | Executed action Mewdeko.Controllers.PermissionsController.RemoveDpo (Mewdeko) in 87.1177ms
[13:53:42 INF] | #Mewdeko | Executed endpoint 'Mewdeko.Controllers.PermissionsController.RemoveDpo (Mewdeko)'
[13:53:42 INF] | #Mewdeko | Request finished HTTP/1.1 DELETE http://localhost:5001/botapi/Permissions/dpo/900378009188565022 - 400 null application/problem+json; charset=utf-8 130.7832ms

[13:53:42 INF] | #Mewdeko | Request received: DELETE /botapi/Permissions/dpo/900378009188565022
[13:53:42 INF] | #Mewdeko | Request body: "help"
[13:53:42 INF] | #Mewdeko | Executing endpoint 'Mewdeko.Controllers.PermissionsController.RemoveDpo (Mewdeko)'
[13:53:42 INF] | #Mewdeko | Route matched with {action = "RemoveDpo", controller = "Permissions"}. Executing controller action with signature System.Threading.Tasks.Task`1[Microsoft.AspNetCore.Mvc.IActionResult] RemoveDpo(UInt64, System.String) on controller Mewdeko.Controllers.PermissionsController (Mewdeko).
[13:53:42 INF] | #Mewdeko | Executing BadRequestObjectResult, writing value of type 'Microsoft.AspNetCore.Mvc.ValidationProblemDetails'.
[13:53:42 INF] | #Mewdeko | Executed action Mewdeko.Controllers.PermissionsController.RemoveDpo (Mewdeko) in 87.1177ms
[13:53:42 INF] | #Mewdeko | Executed endpoint 'Mewdeko.Controllers.PermissionsController.RemoveDpo (Mewdeko)'
[13:53:42 INF] | #Mewdeko | Request finished HTTP/1.1 DELETE http://localhost:5001/botapi/Permissions/dpo/900378009188565022 - 400 null application/problem+json; charset=utf-8 130.7832ms

[HttpDelete("dpo/{guildId}/{commandName}")]
   public async Task<IActionResult> RemoveDpo(ulong guildId, string commandName)

[HttpDelete("dpo/{guildId}/{commandName}")]
   public async Task<IActionResult> RemoveDpo(ulong guildId, string commandName)

[ApiController]
[Route("botapi/[controller]")]
public class HomeController : Controller
{
    private readonly ILogger<HomeController> _logger;

    public HomeController(ILogger<HomeController> logger)
    {
        _logger = logger;
    }


    [HttpDelete("dpo/{guildId}")]
    public IActionResult RemoveDpo(ulong guildId, [FromBody] string commandName)
    {
        return Ok(commandName + "_test");
    }
}

[ApiController]
[Route("botapi/[controller]")]
public class HomeController : Controller
{
    private readonly ILogger<HomeController> _logger;

    public HomeController(ILogger<HomeController> logger)
    {
        _logger = logger;
    }


    [HttpDelete("dpo/{guildId}")]
    public IActionResult RemoveDpo(ulong guildId, [FromBody] string commandName)
    {
        return Ok(commandName + "_test");
    }
}