Error: Non-base58 character

[vulturerock]

im getting this error

Failed to fetch minimum balance for rent exemption. Using default value.
/root/sonic-odyssey-bot/node_modules/base-x/src/index.js:113
throw new Error('Non-base' + BASE + ' character')
^

Error: Non-base58 character
at Object.decode (/root/sonic-odyssey-bot/node_modules/base-x/src/index.js:113:11)
at getKeypairFromPrivateKey (/root/sonic-odyssey-bot/src/solanaUtils.js:59:39)
at transferSol (/root/sonic-odyssey-bot/index.js:51:21)
at /root/sonic-odyssey-bot/index.js:172:11
at Object. (/root/sonic-odyssey-bot/index.js:193:3)
at Module._compile (node:internal/modules/cjs/loader:1358:14)
at Module._extensions..js (node:internal/modules/cjs/loader:1416:10)
at Module.load (node:internal/modules/cjs/loader:1208:32)
at Module._load (node:internal/modules/cjs/loader:1024:12)
at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:174:12)