Error: Unable to find type with lookupId 18

[statictype]

Breaking error when using Mother contract

react_devtools_backend.js:4026 Error: PortableRegistry: Unable to find type with lookupId 18
    at PortableRegistry.getSiType (polkadot.b7ca30da.js:2:675033)
    at PortableRegistry.getTypeDef (polkadot.b7ca30da.js:2:675545)
    at jt (index.bcec17ad.js:160:48064)
    at index.bcec17ad.js:160:48447
    at Array.reduce (<anonymous>)
    at jt (index.bcec17ad.js:160:48422)
    at index.bcec17ad.js:205:4971
    at Array.forEach (<anonymous>)
    at ep (index.bcec17ad.js:205:4938)
    at Ov (index.bcec17ad.js:205:5049)

Steps to reproduce the behavior:

1. Upload a mother contract on a local node
2. Upload ERC20
3. Move between the 2 contract pages and interact with the contracts
4. See white screen and above error message

Expected behavior
It should painlessly navigate between contract pages and not break. Happens only when mother contract is involved, works with other ink! examples.