Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ed5843acf8eb6b049b93f4ba904e772e225b7b9ffa2e8c78762d2c791115d688:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^