Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 473968e0106f2fa2cdf1454b1538c193b42c44b4bd39d76a3b7a50f5d7f9404b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^