Empty rows throw an error when sending

Error:
t: Unable to serialize. Invalid Clarity Value.
    f 2.754088a2.chunk.js:2
    r 2.754088a2.chunk.js:2
    t errors.ts:14
    l serialize.ts:152
    l serialize.ts:95
    l serialize.ts:146
    l serialize.ts:70
    l serialize.ts:144
    h index.ts:136
    e index.ts:132
    l runtime.js:63
    _invoke runtime.js:293
    E runtime.js:118
    r 2.754088a2.chunk.js:2
    u 2.754088a2.chunk.js:2
    i 2.754088a2.chunk.js:2
    i 2.754088a2.chunk.js:2
    E 2.754088a2.chunk.js:2
    e index.ts:192
    l runtime.js:63
    _invoke runtime.js:293
    E runtime.js:118
    r 2.754088a2.chunk.js:2
    u 2.754088a2.chunk.js:2
    i 2.754088a2.chunk.js:2
    i 2.754088a2.chunk.js:2
    D 2.754088a2.chunk.js:2
    x 2.754088a2.chunk.js:2
    O index.ts:203
    doContractCall use-connect.ts:82
    t SendManyInputContainer.js:159
    l runtime.js:63
    _invoke runtime.js:293
    E runtime.js:118
    Babel 6
    z SendManyInputContainer.js:136
    React 11
    unstable_runWithPriority scheduler.production.min.js:18
    React 3
SendManyInputContainer.js:197:14
friedger / stacks-send-many

Empty rows throw an error when sending #16
