Generate CheckSum issue in ios

[CMcharvani]

For android working fine, but ios issues coming with Generating Checksum

Error:


payumoney_pro_unofficial/generateChecksum.swift:17: Fatal error: Unexpectedly found nil while unwrapping an Optional value

• thread Welcome to payumoneySDK Discussions! #1, queue = 'com.apple.main-thread', stop reason = Fatal error: Unexpectedly found nil while unwrapping an Optional value
  frame #0: 0x0000000186601ebc libswiftCore.dylib_swift_runtime_on_report libswiftCore.dylib:
  -> 0x186601ebc <+0>: ret
  libswiftCore.dylib: 0x186601ec0 <+0>: b 0x186601ebc ; _swift_runtime_on_report libswiftCore.dylib:
  0x186601ec4 <+0>: adrp x8, 461964
  0x186601ec8 <+4>: ldrb w0, [x8, #0x2cc]
  Target 0: (Runner) stopped.
  Lost connection to device.
  Exited