| ERROR | input data for model build contains negative values |
| CAUSE | The input data contains negative values, which is not acceptable for a Non-negative Matrix Factorization model. |
| ACTION | Provide clean data for build without any negative values. |
| ERROR | input data for model build contains negative values |
| CAUSE | The input data contains negative values, which is not acceptable for a Non-negative Matrix Factorization model. |
| ACTION | Provide clean data for build without any negative values. |