Error in code tho i copy pasted exactly also made bundle.js file kindly solve this

[Cryptic-Guy]

Uncaught (in promise) Error: invalid address (argument="address", value=undefined, code=INVALID_ARGUMENT, version=address/5.7.0) (argument="spender", value=undefined, code=INVALID_ARGUMENT, version=abi/5.7.0) at e.value (index.ts:269:28) at e.value (index.ts:281:20) at e.value (index.ts:285:21) at d.value (abstract-coder.ts:68:16) at d.value (address.ts:22:18) at array.ts:71:19 at Array.forEach () at b (array.ts:54:12) at c.value (tuple.ts:54:16) at e.value (abi-coder.ts:111:15) value @ index.ts:269 value @ index.ts:281 value @ index.ts:285 value @ abstract-coder.ts:68 value @ address.ts:22 (anonymous) @ array.ts:71 b @ array.ts:54 value @ tuple.ts:54 value @ abi-coder.ts:111 f.encodeParameters @ index.js:127 (anonymous) @ index.js:463 y._encodeMethodABI @ index.js:462 y._processExecuteArguments @ index.js:726 y._executeMethod @ index.js:745 trySwap @ bundle.js:166