Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bbc78483acad6cdc537da1adedac50d9cf9b6651a685ccbb394748ae58068eb2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^