Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f9b250c90262353f4b75d363f8aa0c4bdfe8a05192105ed62442f0f0cf9388f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^